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Inspection and service of the system for vehicle gas*
The system for vehicle gas must be inspected regularly by an authorised workshop - an authorised Volvo workshop is recommended.
Introduction to vehicle gas (Bi-Fuel)*
Cars with Bi-Fuel engines can be driven on either vehicle gas or petrol. Vehicle gas can be biogas or natural gas, or a mixture of the two. Vehicle gas is also called CNG (Compressed Natural Gas).