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Alternate Auto Fuels


Auto LPG Auto LPG stations CNG

Auto LPG

The use of LPG as an auto fuel was proposed as a pollution abatement measure.

Introduction of LPG as Auto Fuel

With the menace of rising vehicular pollution, use of LPG as an auto fuel was proposed as a pollution abatement measure.

LPG being a clean environmentally friendly fuel, will reduce air pollution to a great extent if the vehicles are fuelled with LPG. Bharat Petroleum was the first Oil Company to take the initiative for setting up of an Auto LPG Dispensing Station (ALDS) and run vehicles on LPG as a pilot project in Delhi in October 1999.

The Government of India has approved Bharat Petroleum's proposal of setting up of 42 Auto LPG Dispensing Stations (ALDS) in various cities (including metros) in the country.


CNG the Fuel today and the future. In the next millennium, alternative fuels like Compressed Natural Gas (CNG) and Liquified Petroleum Gas (LPG) would be increasingly used in automobiles. Mumbai already has over 10,500 private cars/taxis that run on CNG and in Delhi,all public transport runs on CNG.

Car manufacturers have been conducting tests on their vehicles, using LPG/CNG - both in dedicated and bi-fuel modes. While these fuels will not totally replace petrol and diesel, they may be targeted for use in particular segments, like commercial and public transport vehicles.

Diesel was for a long time considered eco-friendly because it is more fuel-efficient than petrol i.e. 15-20 percent more mileage than one litre of petrol. But the 1990s have seen diesel being increasingly acknowledged as extremely detrimental to health and environment. Experiments have revealed that besides a very tiny - one micron or less, which are injurious to health.

Recognising the gravity of the situation, authorities are intensifying the thrust on use of alternate fuels like CNG and LPG which besides being less hazardous, are cost-effective.

What is CNG?

CNG (Compressed Natural Gas) is a mixture of hydrocarbons consisting of approximately 80Autogas to 90 percent methane in gaseous form. Because of its low energy density, it is compressed to pressure of 200 to 250 Kg/cm2 (to enhance the vehicle on-board storage in a cylinder), hence the name Compressed Natural Gas. Colourless, non-carcinogenic and non-toxic, CNG is inflammable and lighter than air. It is not a liquid fuel, and is not the same as LPG (Liquified Petroleum Gas), which consists of propane and butane in liquid form. Superior to petrol, it operates at one-third the cost of conventional fuel and is hence, increasingly becoming popular with automobile owners. Commonly referred to as the green fuel because of its lead free characteristic, it reduces harmful emissions and is non-corrosive, thus enhancing the life of spark plugs. Another practical advantage observed in countries where CNG is in already in vogue is the extension of life of lubricating oils as the fuel does not contaminate and dilute the crankcase oil.

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