What is LPG and how it works
Liquefied petroleum gas (Liquefied Petroleum Gas, LPG) is the most common alternative fuel in the world and the third after gasoline and diesel fuel. Liquefied gas is obtained in the extraction and refining of oil as a by-product.
The liquefied gas used for motor fuel consists of a mixture of propane and butane gases. The quantitative composition of the mixture depends on the seasonality of the use of fuel (in winter there is more propane in the mixture). Liquefied petroleum gas has a high detonation resistance (105-115, depending on the composition of the mixture).
The use of liquefied petroleum gas in automobiles provides several advantages:
- liquefied gas is 1.5-2 times cheaper than gasoline;
- when working on liquefied gas, carbon dioxide emissions are 15-20% less compared to gasoline;
- the installation of LPG equipment on liquefied gas does not require mechanical changes to the engine;
- developed a network of gas stations, including in Australia.
However, a liquefied gas car is not without drawbacks:
- liquefied gas consumption is 20-30% more than gasoline consumption (this disadvantage is compensated by the low gas price);
- engine power reduction when working on liquefied gas up to 5%;
- reduction in the volume of the luggage compartment associated with the installation of a gas cylinder.
Today in the world over 16 million cars operate on liquefied petroleum gas, half of them are in Turkey, South Korea, Poland, Italy and Australia. In Russia, liquefied petroleum gas is widely used in commercial vehicles.
Manufacturers from Italy, the Netherlands, Poland, Russia, Turkey and other countries are developing various liquefied gas supply systems. These systems in the form of sets of gas-cylinder equipment (HBO) are installed on cars serially in factories or individually in specialized organizations. After installing HBO, the car becomes dual-fuel, that is, it can run on gasoline and gas.
Depending on the design and scope of application, LPG equipment is conventionally divided into generations. In total, 6 generations of HBO are distinguished. Technological, economical, safe and therefore demanded is gas equipment of 4, 5 and 6 generations.
4th generation gas equipment provides a distributed injection of vaporized gas. 5th generation gas cylinder equipment features injection into the liquid-gas intake manifold. Direct injection of liquid gas into the combustion chamber is carried out using gas equipment of the 6th generation.
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