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LPG is composed mainly of propane and butane, while natural gas is composed of the lighter methane and ethane. LPG, vaporised and at atmospheric pressure, has a higher calorific value (46 MJ/m 3 equivalent to 12.8 kWh/m 3 ) than natural gas (methane) (38 MJ/m 3 equivalent to 10.6 kWh/m 3 ), which means that LPG cannot simply be substituted for ...
Autogas or LPG is liquefied petroleum gas (LPG) used as a fuel in internal combustion engines in vehicles as well as in stationary applications such as generators. It is a mixture of propane and butane. [1] Autogas is widely used as a "green" fuel, as its use reduces CO 2 exhaust emissions by around 15% compared to petrol. [2]
The LPG used as auto fuel and cooking gas in Asia and Australia also has very high butane content. Propylene (also called propene) can be a contaminant of commercial propane. Propane containing too much propene is not suited for most vehicle fuels. HD-5 is a specification that establishes a maximum concentration of 5% propene in propane.
It is known by many names including propane, LPG (liquified propane gas), LPA (liquid propane autogas), Autogas and others. Propane is a hydrocarbon fuel and is a member of the natural gas family. Propane as an automotive fuel shares many of the physical attributes of gasoline while reducing tailpipe emissions and well to wheel emissions overall.
In contrast, wet natural gas also contains significant portions of other liquids such as ethane, propane or butane (also known as Natural Gas Liquids). Wet natural gas is used for petrochemicals as well as gasoline (petrol). In 2023, the United States has led the world in both natural gas production and natural gas exports.
A gas heater is a space heater used to heat a room or outdoor area by burning natural gas, liquefied petroleum gas, propane, or butane. Indoor household gas heaters can be broadly categorized in one of two ways: flued or non-flued, or vented and unvented .
The higher the octane rating, the more resistant the fuel is to autoignition under high pressures, which allows for a higher compression ratio. Engines with a higher compression ratio, commonly used in race cars and high-performance regular-production automobiles, can produce more power; however, such engines require a higher octane fuel.
Natural gas liquids are used either for fuel (sold as propane, or liquid petroleum gas (LPG), or for feedstock to the petrochemical industry. The United States has been the world's top producer of NGLs since 2010, and is far above second place Saudi Arabia, which produced 1.82 million barrels per day in 2015.