05 June 2006

LPG (Liquefied Petroleum Gas) - This is an alternative to petrol and diesel, but is usually used in conjunction with petrol in bi-fuel cars. The LPG is housed in a separate tank in the boot and the driver is able to switch between the two sets of injectors (one for petrol, one for gas) on the move using a dash-mounted switch.

LPG gives worse economy than petrol or diesel, but pollutes less and costs much less, so it is a cheap option. LPG vehicles are also exempt from London's congestion charge. (See also Alternative fuels.)


Want to know the difference between your APRs and your PCPs? Our Glossary will guide you through the minefield of car-buying terms.

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