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A natural gas vehicle (NGV) utilizes compressed natural gas (CNG) or liquefied natural gas (LNG) as an alternative fuel source. Distinguished from autogas vehicles fueled by liquefied petroleum gas (LPG), NGVs rely on methane combustion, resulting in cleaner emissions due to the removal of contaminants from the natural gas source.
Natural gas also has a higher octane rating, so it can be burned at a higher temperature, reducing engine knock, and the fuel can be produced without complicated refinement processes. Since little unburned carbon is produced in the combustion of natural gas, the engine and oil are kept much cleaner than would be the case if gasoline alone was ...
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.
A Diesel engine is a compression ignition engine and does not have a spark plug. To operate a diesel engine with an alternate combustible fuel source such as natural gas, a Dual-Fuel system used with natural gas as the main fuel while diesel fuel is used for the ignition of the gas/air mixture inside the cylinder. In other words, a portion of ...
Volkswagen Caddy/Caddy Maxi EcoFuel CNG (a camping car/van version also available as the Caddy Life Tramper EcoFuel CNG) Volkswagen Eurovan (Transporter) T4/T5 2,0 I4/3,2 VR6 BiFuel/EcoFuel CNG and TSI EcoFuel CNG (latter planned) (also LWB) Suzuki Mehran VX CNG BI FUEL Chevy Express Van CNG (Note, limited range ~130 miles/tank)
The CNG carrier is very helpful in bringing a gas field/pipeline to early production. [11] The propulsion fuel cost per unit natural gas transported by a CNG carrier is more than the fuel cost of a LNG carrier as CNG carrier is much heavier. CNG carrier transport is economical up to medium distances (< 2000 nmi) compared to LNG transport. [2]
A man who was diagnosed with bone cancer as a teenager had his prosthetic leg, valued at $8,000, stolen out of the trunk of his car in Portland earlier this month.
CNG vehicles can use both renewable CNG and non-renewable CNG. [60] Conventional CNG is a fossil fuel. New technologies such as horizontal drilling and hydraulic fracturing to economically access unconventional gas resources, appear to have increased the supply of natural gas in a fundamental way. [61]