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Automotive glossary

LPG (Autogas)

LPG is liquefied petroleum gas, a mix of propane and butane used as car fuel.

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What is LPG (Autogas)?

Cars can run on LPG and petrol. It is stored as a liquid under pressure. Conversions are common in some countries. LPG systems have their own filler, tank, vaporiser and injectors. The engine usually starts on petrol and switches to gas when warm.

How it works

The gas is injected into the intake and burned.

Why it matters for your car

Conversions need approval and regular inspections. Some car parks restrict LPG vehicles.

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