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81-681: Originally, the line was managed by the Dutch Railways (NS). Since June 2006, it has served as a light-rail line, using trams . The light-rail connection, combined with The Hague- Rotterdam line, is called the RandstadRail . After the Oosterheem neighbourhood was built in Zoetermeer, an extra track was added. It does not take the round line, unlike the other routes, but splits between Seghweart and Leidsewallen stations. Since

162-512: A cyclothem . Cyclothems are thought to have their origin in glacial cycles that produced fluctuations in sea level , which alternately exposed and then flooded large areas of continental shelf. The woody tissue of plants is composed mainly of cellulose, hemicellulose, and lignin. Modern peat is mostly lignin, with a content of cellulose and hemicellulose ranging from 5% to 40%. Various other organic compounds, such as waxes and nitrogen- and sulfur-containing compounds, are also present. Lignin has

243-819: A train with a toilet is used, every newly ordered train has a toilet and in 2025 every train has to have a toilet. The last trains on the hoofdrailnet without a toilet were the NS SGMm (the so-called classical "Sprinter", retired 2018–21) and the Sprinter Lighttrain (SLT, these trains have since had on-board toilets retrofitted ). NS provides three kinds of train service: There are also two former train categories, which are now used only by private operators: You can travel using contactless payments on all Dutch public transport: on all domestic trains, metros, trams and busses, nationwide. Using contactless payments, you travel 2nd class, regular full price. The price

324-530: A consequence of personnel shortages. NS has been involved in various controversies. The NS covers most of the country, with almost all cities connected, mostly with a service frequency of two trains an hour or more and at least four trains per hour between all of the largest five cities ( Amsterdam , Rotterdam , The Hague , Utrecht and Eindhoven ) as well as some smaller cities ( Nijmegen , Amersfoort , Arnhem , 's-Hertogenbosch , Dordrecht and Leiden ). From December 2008 train frequencies were increased on

405-620: A day, serving 1.1 million passengers. The NS also provides international rail services from the Netherlands to other European destinations and carries out concessions on some foreign rail markets through its subsidiary Abellio . World War I caused an economic downturn in the Netherlands that caused the two largest Dutch railway companies, Hollandsche IJzeren Spoorweg-Maatschappij (HSM) and Maatschappij tot Exploitatie van Staatsspoorwegen (SS), to become unprofitable. The companies avoided bankruptcy by integrating their operations, which

486-416: A different organ in the company The freight business, NS Cargo, merged with Deutsche Bahn ; the resulting company operated as Railion in 2000 and then as DB Cargo . Performance deteriorated after the reforms, and the company suffered multiple unorganized strikes. The entire board of directors resigned in late-2001. Another change in strategy followed. Karel Noordzij became CEO in 2002 and reversed many of

567-496: A fuel. While coal has been known and used for thousands of years, its usage was limited until the Industrial Revolution . With the invention of the steam engine , coal consumption increased. In 2020, coal supplied about a quarter of the world's primary energy and over a third of its electricity . Some iron and steel -making and other industrial processes burn coal. The extraction and burning of coal damages

648-417: A process called carbonization . Carbonization proceeds primarily by dehydration , decarboxylation , and demethanation. Dehydration removes water molecules from the maturing coal via reactions such as Decarboxylation removes carbon dioxide from the maturing coal: while demethanation proceeds by reaction such as In these formulas, R represents the remainder of a cellulose or lignin molecule to which

729-465: A smartphone with a timetable , fares information, and a separate card reader to read the OV-chipkaart . Train drivers use a tablet with an app called "TimTim" to save energy and keep up with the timetable. The train driver can also see other trains in front or behind their train. In 2018, NS saw its number of passengers increase by nearly 3 percent. On average, 1.3 million people took the train on

810-564: A surcharge of €1. They are a disposable use-once only. It is possible to buy e-tickets online on the Dutch Railways website. E-tickets can also be purchased on the Belgian NMBS/SNCB B -Europe website. For long-term use, season tickets are available. Travelling with these cards and tickets, one has to register starting a journey ( check-in ) and ending it ( check out ) at the destination. One always has to travel away from

891-468: A switch in fuels happened in London in the late sixteenth and early seventeenth centuries. Historian Ruth Goodman has traced the socioeconomic effects of that switch and its later spread throughout Britain and suggested that its importance in shaping the industrial adoption of coal has been previously underappreciated. The development of the Industrial Revolution led to the large-scale use of coal, as

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972-561: A tenth. Indonesia and Australia export the most, followed by Russia . The word originally took the form col in Old English , from reconstructed Proto-Germanic * kula ( n ), from Proto-Indo-European root * g ( e ) u-lo- "live coal". Germanic cognates include the Old Frisian kole , Middle Dutch cole , Dutch kool , Old High German chol , German Kohle and Old Norse kol . Irish gual

1053-515: A weekday, 100.000 more than in 2016 and the over 250 NS train stations are becoming increasingly crowded. Also see List of busiest railway stations in The Netherlands Coal Coal is a combustible black or brownish-black sedimentary rock , formed as rock strata called coal seams . Coal is mostly carbon with variable amounts of other elements , chiefly hydrogen , sulfur , oxygen , and nitrogen . Coal

1134-403: A weight basis. This composition reflects partly the composition of the precursor plants. The second main fraction of coal is ash, an undesirable, noncombustable mixture of inorganic minerals. The composition of ash is often discussed in terms of oxides obtained after combustion in air: Of particular interest is the sulfur content of coal, which can vary from less than 1% to as much as 4%. Most of

1215-406: A weight composition of about 54% carbon, 6% hydrogen, and 30% oxygen, while cellulose has a weight composition of about 44% carbon, 6% hydrogen, and 49% oxygen. Bituminous coal has a composition of about 84.4% carbon, 5.4% hydrogen, 6.7% oxygen, 1.7% nitrogen, and 1.8% sulfur, on a weight basis. The low oxygen content of coal shows that coalification removed most of the oxygen and much of the hydrogen

1296-453: Is a type of fossil fuel , formed when dead plant matter decays into peat which is converted into coal by the heat and pressure of deep burial over millions of years. Vast deposits of coal originate in former wetlands called coal forests that covered much of the Earth's tropical land areas during the late Carboniferous ( Pennsylvanian ) and Permian times. Coal is used primarily as

1377-432: Is a widened letter 'N' and a sideways (reversed) 'S'-shape. The two arrows in the logo represent the train's movement, and the two lines in the middle represent the track. In dealing with the general public, these distinctions are not made and the terms Nederlandse Spoorwegen and NS are used. NS has contracts with Connexxion and BBA, now Veolia Transport for the provision of bus services to replace train services in

1458-584: Is also a cognate via the Indo-European root. The conversion of dead vegetation into coal is called coalification . At various times in the geologic past, the Earth had dense forests in low-lying areas. In these wetlands, the process of coalification began when dead plant matter was protected from oxidation , usually by mud or acidic water, and was converted into peat . The resulting peat bogs , which trapped immense amounts of carbon, were eventually deeply buried by sediments. Then, over millions of years,

1539-528: Is also a partner (along with Stena Line and British railway company Greater Anglia ) in the Dutchflyer service. NS has also entered into a partnership with KLM to operate services on the new HSL-Zuid under the name Intercity Direct towards Breda and Brussels. Intercity Direct is part of NS International ; other services such as Eurostar to France and Intercity-Express to Germany and Switzerland are also part of NS International. The hoofdrailnet

1620-429: Is burned in a turbine). Hot exhaust gases from the turbine are used to raise steam in a heat recovery steam generator which powers a supplemental steam turbine . The overall plant efficiency when used to provide combined heat and power can reach as much as 94%. IGCC power plants emit less local pollution than conventional pulverized coal-fueled plants. Other ways to use coal are as coal-water slurry fuel (CWS), which

1701-603: Is entirely vertical; however, metamorphism may cause lateral changes of rank, irrespective of depth. For example, some of the coal seams of the Madrid, New Mexico coal field were partially converted to anthracite by contact metamorphism from an igneous sill while the remainder of the seams remained as bituminous coal. The earliest recognized use is from the Shenyang area of China where by 4000 BC Neolithic inhabitants had begun carving ornaments from black lignite. Coal from

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1782-455: Is made when metallurgical coal (also known as coking coal ) is baked in an oven without oxygen at temperatures as high as 1,000 °C, driving off the volatile constituents and fusing together the fixed carbon and residual ash. Metallurgical coke is used as a fuel and as a reducing agent in smelting iron ore in a blast furnace . The carbon monoxide produced by its combustion reduces hematite (an iron oxide ) to iron. Pig iron , which

1863-409: Is more abundant, and anthracite. The % carbon in coal follows the order anthracite > bituminous > lignite > brown coal. The fuel value of coal varies in the same order. Some anthracite deposits contain pure carbon in the form of graphite . For bituminous coal, the elemental composition on a dry, ash-free basis of 84.4% carbon, 5.4% hydrogen, 6.7% oxygen, 1.7% nitrogen, and 1.8% sulfur, on

1944-484: Is the official core internal passenger rail network of the Netherlands. Currently, NS has a concession until 1 January 2034 to provide all passenger services on this network, except that on some stretches there is an overlap with lines for which other operators have a concession. Some of the most notable of these stretches are those from Elst railway station to Arnhem Centraal railway station , where NS shares tracks with Arriva , and further on to Arnhem Velperpoort . Here

2025-579: Is the principal passenger railway operator in the Netherlands . It is a Dutch state-owned company founded in 1938. The Dutch rail network is the busiest in the European Union , and the third busiest in the world after Switzerland and Japan . The rail infrastructure is maintained by network manager ProRail , which was split off from NS in 2003. Freight operator NS Cargo merged with DB Cargo in 2000. NS runs 4,800 scheduled domestic trains

2106-448: Is the same as using the anonymous ov-chipcard (see below). You do not need an app or ticket, nor do you have to register or signup to use this. Apple Pay, Google Pay and many contactless debit and credit cards can directly be used. Travelling using contactless works as following: At the start of your journey, place your smartphone or bank card in front of the reader to check-in. At the end of your journey, or if you transfer, check-out at

2187-452: Is used as fuel. 27.6% of world energy was supplied by coal in 2017 and Asia used almost three-quarters of it. Other large-scale applications also exist. The energy density of coal is roughly 24 megajoules per kilogram (approximately 6.7 kilowatt-hours per kg). For a coal power plant with a 40% efficiency, it takes an estimated 325 kg (717 lb) of coal to power a 100 W lightbulb for one year. In 2022, 68% of global coal use

2268-715: The Bronze Age (3000–2000 BC), where it formed part of funeral pyres . In Roman Britain , with the exception of two modern fields, "the Romans were exploiting coals in all the major coalfields in England and Wales by the end of the second century AD". Evidence of trade in coal, dated to about AD 200, has been found at the Roman settlement at Heronbridge , near Chester ; and in the Fenlands of East Anglia , where coal from

2349-521: The Fushun mine in northeastern China was used to smelt copper as early as 1000 BC. Marco Polo , the Italian who traveled to China in the 13th century, described coal as "black stones ... which burn like logs", and said coal was so plentiful, people could take three hot baths a week. In Europe, the earliest reference to the use of coal as fuel is from the geological treatise On Stones (Lap. 16) by

2430-607: The Midlands was transported via the Car Dyke for use in drying grain. Coal cinders have been found in the hearths of villas and Roman forts , particularly in Northumberland , dated to around AD 400. In the west of England, contemporary writers described the wonder of a permanent brazier of coal on the altar of Minerva at Aquae Sulis (modern day Bath ), although in fact easily accessible surface coal from what became

2511-728: The Somerset coalfield was in common use in quite lowly dwellings locally. Evidence of coal's use for iron -working in the city during the Roman period has been found. In Eschweiler , Rhineland , deposits of bituminous coal were used by the Romans for the smelting of iron ore . No evidence exists of coal being of great importance in Britain before about AD 1000, the High Middle Ages . Coal came to be referred to as "seacoal" in

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2592-491: The coal gap in the Permian–Triassic extinction event , where coal is rare. Favorable geography alone does not explain the extensive Carboniferous coal beds. Other factors contributing to rapid coal deposition were high oxygen levels, above 30%, that promoted intense wildfires and formation of charcoal that was all but indigestible by decomposing organisms; high carbon dioxide levels that promoted plant growth; and

2673-447: The steam engine took over from the water wheel . In 1700, five-sixths of the world's coal was mined in Britain. Britain would have run out of suitable sites for watermills by the 1830s if coal had not been available as a source of energy. In 1947 there were some 750,000 miners in Britain, but the last deep coal mine in the UK closed in 2015. A grade between bituminous coal and anthracite

2754-407: The 13th century; the wharf where the material arrived in London was known as Seacoal Lane, so identified in a charter of King Henry III granted in 1253. Initially, the name was given because much coal was found on the shore, having fallen from the exposed coal seams on cliffs above or washed out of underwater coal outcrops, but by the time of Henry VIII , it was understood to derive from the way it

2835-417: The 1991 EU Directive 91/440 ; the latter required railway infrastructure and transport activities to be managed independently. Although the state called the process " corporatization " ( verzelfstandiging ), it really only meant the withdrawal of subsidies. The changes were carried out by Rob den Besten, who became chief executive officer of NS after the retirement of Leo Ploeger. NS' infrastructure division

2916-596: The Carboniferous, and suggested that climatic and tectonic factors were a more plausible explanation, reconstruction of ancestral enzymes by phylogenetic analysis corroborated a hypothesis that lignin degrading enzymes appeared in fungi approximately 200 MYa. One likely tectonic factor was the Central Pangean Mountains , an enormous range running along the equator that reached its greatest elevation near this time. Climate modeling suggests that

2997-598: The Central Pangean Mountains contributed to the deposition of vast quantities of coal in the late Carboniferous. The mountains created an area of year-round heavy precipitation, with no dry season typical of a monsoon climate. This is necessary for the preservation of peat in coal swamps. Coal is known from Precambrian strata, which predate land plants. This coal is presumed to have originated from residues of algae. Sometimes coal seams (also known as coal beds) are interbedded with other sediments in

3078-577: The Greek scientist Theophrastus (c. 371–287 BC): Among the materials that are dug because they are useful, those known as anthrakes [coals] are made of earth, and, once set on fire, they burn like charcoal [anthrakes]. They are found in Liguria ;... and in Elis as one approaches Olympia by the mountain road; and they are used by those who work in metals. Outcrop coal was used in Britain during

3159-505: The Oosterheem neighbourhood. The route starts at Den Haag and goes through Voorburg and Leidschendam and Den Haag again, just like line 3. In Zoetermeer it has the following stations: That is the end of the track. On this part of the route the stops are identical to that of line 4 Dutch Railways Nederlandse Spoorwegen ( Dutch: [ˈneːdərlɑntsə ˈspoːrˌʋeːɣə(n)] ; English: "Dutch Railways" ; NS )

3240-530: The case of planned and unplanned cancellations. On 23 July 2010 NS sold Strukton to the construction company Oranjewoud N.V.. This concluded a long history of planning, designing and executing track development done by the NS. There is a delay refund scheme entitling passengers to a partial or full refund of the ticket price if a journey is delayed by half an hour or more. The scheme does not apply on short-distance journeys (tickets less than €2.30) and cases in which

3321-471: The centre and the east, Veolia on the 'Maaslijn' and 'Heuvellandlijn' in the southeast, Arriva in the north and most of the east of the country and on the ' Merwede-Lingelijn ' (from Dordrecht to Geldermalsen). The OV-chipkaart is also used on buses and trams, where hourly tickets are for sale for those who have too little credit to travel but enough cash. NS defines off-peak hours as weekdays from 09:00–16:00 and 18:30–06:30, and on Saturdays and Sundays

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3402-479: The company's CEO is former minister Wouter Koolmees , after Marjan Rintel left to become CEO of KLM . NS was heavily impacted by the COVID-19 pandemic , which caused massive drops in passenger numbers. The company received significant financial support from the national government in order to keep the company solvent. In 2022, the company made significant cuts in its timetable, running fewer and shorter trains, as

3483-583: The cost of the scheme is paid by ProRail, since they are responsible for part of the delays. Tobacco smoking is prohibited both on trains and in stations. Smoking on trains has been prohibited since 2004, with smoking in stations permitted in designated smoking zones, until this too was disallowed in October 2020. Since June 2003, the sale of coffee , soft drinks , beer , sandwiches , candy , etc., has ceased aboard domestic trains. The increasing number of Servex convenience stores at railway stations and

3564-505: The delay is the result of planned cancellations that were announced some days in advance. Refunds are, in general, half the ticket price of a one-way trip after a delay of over 30 minutes, and the full ticket price after a delay of one hour or more. That applies to nearly all kinds of tickets. The refund is not considered monetary compensation for lost time but rather as a reduction in charges where poor service has been provided. The system has been improved for holders of some rail passes. Part of

3645-457: The discovery of a gas field near Slochteren led to coal losing market share to natural gas in power plants and homes. NS' response, the Spoorslag '70 plan which increased service and introduced intercity service, failed to restore profitability. The company was deemed nationally important and received state subsidies . NS was reorganized following the neoliberal reforms of the 1980s and

3726-571: The environment , causing premature death and illness, and it is the largest anthropogenic source of carbon dioxide contributing to climate change . Fourteen billion tonnes of carbon dioxide were emitted by burning coal in 2020, which is 40% of total fossil fuel emissions and over 25% of total global greenhouse gas emissions . As part of worldwide energy transition , many countries have reduced or eliminated their use of coal power . The United Nations Secretary General asked governments to stop building new coal plants by 2020. Global coal use

3807-430: The evolution of the first trees . But bacteria and fungi did not immediately evolve the ability to decompose lignin, so the wood did not fully decay but became buried under sediment, eventually turning into coal. About 300 million years ago, mushrooms and other fungi developed this ability, ending the main coal-formation period of earth's history. Although some authors pointed at some evidence of lignin degradation during

3888-554: The extra Oosterheem line was added, two lines reach the Zoetermeer Stadslijn and are called line 3 and line 4. Line 3 uses the older track, and line 4, or the Oosterheem line, takes the newer track. In 2020 a new line 34 was added combining the routes of line 3 in The Hague and that of line 4 in Zoetermeer. Line 3 takes the old track and makes a lap. At Centrum West , it turns and circles back over

3969-519: The factors involved in coalification, temperature is much more important than either pressure or time of burial. Subbituminous coal can form at temperatures as low as 35 to 80 °C (95 to 176 °F) while anthracite requires a temperature of at least 180 to 245 °C (356 to 473 °F). Although coal is known from most geologic periods , 90% of all coal beds were deposited in the Carboniferous and Permian periods. Paradoxically, this

4050-617: The following services: Arnhem–Nijmegen (8 trains per hour) and The Hague–Rotterdam (12 trains per hour), Amsterdam Centraal–Hoofddorp (16 trains per hour). A night train service was added between Utrecht, Gouda and Rotterdam. Trains usually run between 5:00 a.m. and 1:00 a.m. although there is also a nightline which connects major cities in the Randstad throughout the night, as well as in weekends also some major cities in North Brabant . In addition to its domestic services, NS

4131-498: The form of iron pyrite (FeS 2 ). Being a dense mineral, it can be removed from coal by mechanical means, e.g. by froth flotation . Some sulfate occurs in coal, especially weathered samples. It is not volatilized and can be removed by washing. Minor components include: As minerals, Hg, As, and Se are not problematic to the environment, especially since they are only trace components. They become however mobile (volatile or water-soluble) when these minerals are combusted. Most coal

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4212-575: The graphic design company Tel Design. Introduced in that same year, it replaced an earlier design which had been used since 1946. The logo, pervasive within trains and railway stations in the Netherlands, plays a significant part in Nederlandse Spoorwegen 's signage, promotions, advertising, and graphic design. The logo usually appears in blue or black on a dark yellow or white background. Since its introduction, NS livery has also had this same distinct dark yellow or white colour. The logo

4293-475: The heat and pressure of deep burial caused the loss of water, methane and carbon dioxide and increased the proportion of carbon. The grade of coal produced depended on the maximum pressure and temperature reached, with lignite (also called "brown coal") produced under relatively mild conditions, and sub-bituminous coal , bituminous coal , or anthracite coal (also called "hard coal" or "black coal") produced in turn with increasing temperature and pressure. Of

4374-431: The increasing tendency of the anthracite to break with a conchoidal fracture , similar to the way thick glass breaks. As geological processes apply pressure to dead biotic material over time, under suitable conditions, its metamorphic grade or rank increases successively into: There are several international standards for coal. The classification of coal is generally based on the content of volatiles . However

4455-412: The main stations have to be served at least twice an hour per direction from 6 a.m. to midnight and the other stations at least once an hour. Exceptions are possible until the start of the next concession. The next concession period is 2025–2035. For the 2015–2025 concession, requirements include: for every train service where on average more than one-third of the passengers travel longer than 30 minutes,

4536-453: The morphology and some properties of the original plant. In many coals, individual macerals can be identified visually. Some macerals include: In coalification huminite is replaced by vitreous (shiny) vitrinite . Maturation of bituminous coal is characterized by bitumenization , in which part of the coal is converted to bitumen , a hydrocarbon-rich gel. Maturation to anthracite is characterized by debitumenization (from demethanation) and

4617-405: The most important distinction is between thermal coal (also known as steam coal), which is burnt to generate electricity via steam; and metallurgical coal (also known as coking coal), which is burnt at high temperature to make steel . Hilt's law is a geological observation that (within a small area) the deeper the coal is found, the higher its rank (or grade). It applies if the thermal gradient

4698-407: The nature of Carboniferous forests, which included lycophyte trees whose determinate growth meant that carbon was not tied up in heartwood of living trees for long periods. One theory suggested that about 360 million years ago, some plants evolved the ability to produce lignin , a complex polymer that made their cellulose stems much harder and more woody. The ability to produce lignin led to

4779-455: The number of double bonds between carbon). As carbonization proceeds, aliphatic compounds convert to aromatic compounds . Similarly, aromatic rings fuse into polyaromatic compounds (linked rings of carbon atoms). The structure increasingly resembles graphene , the structural element of graphite. Chemical changes are accompanied by physical changes, such as decrease in average pore size. The macerals are coalified plant parts that retain

4860-453: The point of one's latest check-in. Thus, in the case of a voluntary detour, one has to check out and check in to register starting a new journey. Travellers need to be aware of the various companies other than the Nederlandse Spoorwegen . One needs to check out with one company and check in with another on some stations. There is common tariff system with four smaller passenger train operating companies: Keolis Nederland and Connexxion in

4941-456: The pre-combustion treatment, turbine technology (e.g. supercritical steam generator ) and the age of the plant. A few integrated gasification combined cycle (IGCC) power plants have been built, which burn coal more efficiently. Instead of pulverizing the coal and burning it directly as fuel in the steam-generating boiler, the coal is gasified to create syngas , which is burned in a gas turbine to produce electricity (just like natural gas

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5022-427: The reacting groups are attached. Dehydration and decarboxylation take place early in coalification, while demethanation begins only after the coal has already reached bituminous rank. The effect of decarboxylation is to reduce the percentage of oxygen, while demethanation reduces the percentage of hydrogen. Dehydration does both, and (together with demethanation) reduces the saturation of the carbon backbone (increasing

5103-535: The reforms to restore confidence in the company. The state no longer considered competitive passenger service to be viable, and began granting concessions with the goal of one concession per line. NS received a concession to run main line routes until 2025. The timetable change on 10 December 2006 saw the most routes to approximate the symmetry minute in clock-face schedules to the one used in most other European countries. The previous symmetry minute 46 led to problems with cross-border trains. As of December 2022

5184-548: The relatively short duration of most train journeys in the Netherlands have lowered the demand for on-train services. In 2005, a much reduced in-train service of drinks and small snacks has been reintroduced on longer journeys. Now, the RailTender service primarily operates in the intercity trains on the trajectory between Utrecht and Zwolle/Eindhoven, Zwolle and Almere, 's-Hertogenbosch and Nijmegen, Apeldoorn and Amersfoort, Rotterdam and Breda/Roosendaal/Antwerp. Conductors have

5265-447: The same way. If you use a bank card, be sure to remove it from your wallet, to ensure that the system uses the right card. The costs will be shown in your bank transfer statement the next day, along with a website link and code to get your travel itinerary. The OV-chipkaart is another common form of fare payment. Single or return tickets, used by incidental travellers and tourists, are available at ticket machines and service counters at

5346-399: The sulfur and most of the nitrogen is incorporated into the organic fraction in the form of organosulfur compounds and organonitrogen compounds . This sulfur and nitrogen are strongly bound within the hydrocarbon matrix. These elements are released as SO 2 and NO x upon combustion. They cannot be removed, economically at least, otherwise. Some coals contain inorganic sulfur, mainly in

5427-453: The tracks are shared by three operators, as Breng, ultimately part of Transdev , operates there in addition to the two previously mentioned operators. Officially the overlaps do not constitute competition on the same lines. The concession was free of charge until 2009, and costs an increasing amount since then, up to €30 million for the year 2014. The concession distinguishes the main stations and other stations. Except on New Year's Eve ,

5508-413: The whole day. Therefore, the full fare is required on weekdays 06:30–09:00 and 16:00–18:30. With an OV-chipkaart that allows for a discount or free travel, one is automatically granted the discount or free travel at the time of checking in. There are several season tickets available that suit individual preferences. The NS corporate logo was designed in 1968 by Gert Dumbar and Gert-Jan Leuvelink, both of

5589-468: The whole track to Den Haag Centraal Station . The route starts at Den Haag, passes through Voorburg and Leidschendam , and continues through Den Haag Leidschenveen , at the following stops: Then, it enters Zoetermeer at station Voorweg Laag. In Zoetermeer has the following stops: At the end of the route, the vehicle turns around and drives the route back to Den Haag. Line 4 takes the same route as line 3 until Seghwaert, where it splits and goes into

5670-415: The world's coal-generated electricity. Efforts around the world to reduce the use of coal have led some regions to switch to natural gas and renewable energy . In 2018 coal-fired power station capacity factor averaged 51%, that is they operated for about half their available operating hours. Coke is a solid carbonaceous residue that is used in manufacturing steel and other iron-containing products. Coke

5751-590: Was 8.3 billion tonnes in 2022, and is set to remain at record levels in 2023. To meet the Paris Agreement target of keeping global warming below 2 °C (3.6 °F) coal use needs to halve from 2020 to 2030, and "phasing down" coal was agreed upon in the Glasgow Climate Pact . The largest consumer and importer of coal in 2020 was China , which accounts for almost half the world's annual coal production, followed by India with about

5832-574: Was based on the trading of this commodity. Coal continues to arrive on beaches around the world from both natural erosion of exposed coal seams and windswept spills from cargo ships. Many homes in such areas gather this coal as a significant, and sometimes primary, source of home heating fuel. Coal consists mainly of a black mixture of diverse organic compounds and polymers. Of course, several kinds of coals exist, with variable dark colors and variable compositions. Young coals (brown coal, lignite) are not black. The two main black coals are bituminous, which

5913-510: Was carried to London by sea. In 1257–1259, coal from Newcastle upon Tyne was shipped to London for the smiths and lime -burners building Westminster Abbey . Seacoal Lane and Newcastle Lane, where coal was unloaded at wharves along the River Fleet , still exist. These easily accessible sources had largely become exhausted (or could not meet the growing demand) by the 13th century, when underground extraction by shaft mining or adits

5994-529: Was complete by 1917. The cooperation was for both economic and ideological reasons, and the state provided support by buying shares in both companies. In 1938, the state bought the remaining shares and merged the companies to create NS; NS was not nationalised . During World War II , NS was forced by the Germans to construct railways to Westerbork transit camp and transport almost a hundred thousand Jews to extermination camps . The company's only wartime strike

6075-612: Was developed in the Soviet Union , or in an MHD topping cycle . However these are not widely used due to lack of profit. In 2017 38% of the world's electricity came from coal, the same percentage as 30 years previously. In 2018 global installed capacity was 2 TW (of which 1TW is in China) which was 30% of total electricity generation capacity. The most dependent major country is South Africa, with over 80% of its electricity generated by coal; but China alone generates more than half of

6156-408: Was developed. The alternative name was "pitcoal", because it came from mines. Cooking and home heating with coal (in addition to firewood or instead of it) has been done in various times and places throughout human history, especially in times and places where ground-surface coal was available and firewood was scarce, but a widespread reliance on coal for home hearths probably never existed until such

6237-550: Was during the Dutch famine of 1944–45 ; NS opted not to strike a year earlier. NS played a pivotal role in the post-war reconstruction of the Netherlands; it provided the required logistical services in a time when there was little alternative to rail transport. The company declined in the 1960s – like many other railways – and operated at a loss. There was increased competition from other modes of transport. In addition, national coal distribution from Limburg became less profitable;

6318-497: Was during the Late Paleozoic icehouse , a time of global glaciation . However, the drop in global sea level accompanying the glaciation exposed continental shelves that had previously been submerged, and to these were added wide river deltas produced by increased erosion due to the drop in base level . These widespread areas of wetlands provided ideal conditions for coal formation. The rapid formation of coal ended with

6399-564: Was once known as "steam coal" as it was widely used as a fuel for steam locomotives . In this specialized use, it is sometimes known as "sea coal" in the United States. Small "steam coal", also called dry small steam nuts (DSSN), was used as a fuel for domestic water heating . Coal played an important role in industry in the 19th and 20th century. The predecessor of the European Union , the European Coal and Steel Community ,

6480-425: Was split off into NS Railinfratrust . Plans to split the remainder of NS met with limited success due to trade union opposition; the new companies created were NS Reizigers and locomotive maintenance company NedTrain . Passenger transport was to be conducted on a commercial basis, but the state continued to subsidize non-viable routes. Internally, route managers assumed de facto control, but they were dependent on

6561-430: Was used for electricity generation. Coal burnt in coal power stations to generate electricity is called thermal coal . It is usually pulverized and then burned in a furnace with a boiler . The furnace heat converts boiler water to steam , which is then used to spin turbines which turn generators and create electricity. The thermodynamic efficiency of this process varies between about 25% and 50% depending on

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