It’s also known as non-conventional and advanced fuel other than gasoline for powering motor vehicles, such as natural gas, methanol or electricity. They are derived from sources other than petroleum most are produced domestically, reducing our dependences on importation. Often, they produce less pollution than gasoline or diesel.
WHY ALTERNATIVE FUEL SYSTEM?
With the economic realities, the price and availability of fuel for automobile is very important and a critical factor for commercial transportation businesses and fleet owners. With the rise of PMS/Diesel, fuel choice has become the most debated topic in almost every sphere. The key is to find a fuel that is cost effective as well as energy efficient, in this regard, CNG/LPG score high.
Auto gas is cleaner and greener – today’s vehicles are much cleaner than they used to be but they still contribute to air pollution, vehicle converted to run on auto gas produce far fewer of the harmful emission associated with traditional fuels so offer the best environmental alternative.
Also known as Liquefied Petroleum Gas LPG has been used as a fuel for vehicles as early as 1912 but only at a limited scale.
The fuel became more popular in the 1970s and the 1980s when territories such as the US and Canada tried to reduce their dependence on crude oil. In the 1990s, the increased demand of the fuel is driven by rising environmental concerns.
Vehicles converted to use LPG can be dual-fuel or flexi-fuel.
Dual-fuel vehicles have two separate fuel systems, with only one fuel being used at a time. In contrast, flexi-fuel vehicles have one fuel system operating on a mixture of fuels.
Dual fuel vehicles and flexi-fuel vehicles allow LPG to be used in parallel with other fuels. They are common in Australia, the US, the Netherlands and Canada. However, the number of these dual-fuel and flexi-fuel vehicles is not available. Details of dual-fuel and flexi-fuel vehicles are being awaited.
When natural gas like methane and a mixture of other hydrocarbons are compressed to less than one percent of its standard atmospheric pressure, CNG or Compressed Natural Gas is produced.
With increasing federal clean air regulations and restrictions, more and more companies have made the switch to cleaner energy sources. One of the most popular alternative fuel sources is CNG, or compressed natural gas. Used in a number of applications, CNG is known for its low emissions and various other eco-friendly benefits.
CNG is predominantly used in vehicles for light-, medium-, and heavy-duty applications. It is stored in vehicles within the cylinders in a compressed gaseous state at 3,000 to 3,600 psi.