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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 atm), usually in cylindrical or spherical shapes.
With a compressed natural gas (CNG) engine, the mixing of the fuel and the air is more effective since gases typically mix well in a short period of time. Still, at typical CNG compression pressures, the fuel itself is less energy dense than gasoline or diesel thus the result is a lower energy dense air-fuel mixture.
Audi A5 2,0 T FSI CNG (planned) (unveiled 12/07); BMW 3 Series (E36) 316g CNG BMW 5 Series (E34) 518g CNG Chevrolet Cavalier Bi-Fuel CNG; Citroën C3 1,4 GNV man.; Citroën Berlingo Multispace 1,4 GNV man.
HCNG or H2CNG (hydrogen compressed natural gas) is a mixture of compressed natural gas and 4–9 percent hydrogen by energy. [1] It may be used as a fuel gas for internal combustion engines [ 2 ] [ 3 ] [ 4 ] and home appliances.
The poor truck maker, which designs and manufactures integrated truck bodies and engines, has had a rough year. A series of missteps and misfortunes have sent shares tumbling nearly 70%. But now, a
The past few months have not been kind to Westport Innovations (NAS: WPRT) shareholders. The company develops the technology for engines to run on natural gas, and it typically partners with ...
Compressed natural gas (CNG) is made by compressing methane to store it at high pressures. Liquefied natural gas (LNG) is made and stored cryogenically, much like liquid hydrogen. The physical properties of natural gas require the compression ratio of the engine to be higher than in normal internal combustion engines, and the higher compression ...
With 2012 sales and revenues of $65.875 billion, Caterpillar is a technology leader and the world's leading manufacturer of construction and mining equipment, clean diesel and natural gas engines ...