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Compressed natural gas (CNG) is a fuel gas mainly composed of methane (CH 4), compressed to less than 1% of the volume it occupies at standard atmospheric pressure. It is stored and distributed in hard containers at a pressure of 20–25 megapascals (2,900–3,600 psi; 200–250 bar), usually in cylindrical or spherical shapes.
Natural gas prices 2000 - May 23, 2022 Comparison of natural gas prices in Japan, United Kingdom, and United States, 2007-2011 Natural gas prices at the Henry Hub in US Dollars per million Btu for the 2000-2010 decade. Price per million BTU of oil and natural gas in the US, 1998-2015
The National Conference of Weights & Measurements (NCWM) has developed a standard unit of measurement for compressed natural gas, defined in the NIST Handbook 44 Appendix D as follows: "1 Gasoline [US] gallon equivalent (GGE) means 2.567 kg (5.660 lb) of natural gas." [23]
The price of natural gas varies greatly depending on location and type of consumer. The typical caloric value of natural gas is roughly 1,000 BTU per cubic foot, depending on gas composition. Natural gas in the United States is traded as a futures contract on the New York Mercantile Exchange. Each contract is for 10,000 million BTU or 10 ...
Natural gas vehicles are popular in regions or countries where natural gas is abundant and where the government chooses to price CNG lower than gasoline. [8] The use of natural gas began in the Po River Valley of Italy in the 1930s, followed by New Zealand in the 1980s, though its use has declined there.
Hydrogen at atmospheric pressure has an energy density of 120 MJ/kg (113,738 BTU/kg), [88] by converting this energy density to a GGE, it is found that 1.011 kg of hydrogen is needed to meet the equivalent energy of one gallon of gasoline. This conversion factor can now be used to calculate the MPGe for this vehicle.
Forget salty, sweet, and umami—2025 is the year of sour. More specifically, sour cherries are about to have a moment, according to market research firm Mintel's 2025 Global Food and Drinks ...
Trends in the five countries with largest proven reserves of natural gas, according to the US Energy Information Administration Countries by natural gas proven reserves (2014), based on data from CIA The World Factbook Countries by natural gas and oil proven reserves (2015) World natural gas proven reserves 1960–2012 (OPEC)