page_title: Petrol-paraffin engine
hierarchical_section_title: Petrol-paraffin engine
caption_attribution_description: English: Paraffin tank on Waterloo Boy tractor, produced by John Deere, 1919-1920.
context_page_description: A petrol-paraffin engine, TVO engine or gasoline-kerosene engine is an old-fashioned type of dual-fuel internal combustion engine with spark-ignition, designed to start on petrol and then to switch to run on paraffin once the engine is warm. The grade of paraffin used is known as tractor vaporising oil in the UK.
context_section_description: A petrol-paraffin engine, TVO engine (United Kingdom) or gasoline-kerosene engine (North America) is an old-fashioned type of dual-fuel internal combustion engine with spark-ignition, designed to start on petrol (gasoline) and then to switch to run on paraffin (kerosene) once the engine is warm. The grade of paraffin used is known as tractor vaporising oil in the UK.
caption: Paraffin (kerosene) tank on Waterloo Boy tractor
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