Petrol engine
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A petrol engine is an internal combustion engine that runs on petrol. Petrol engines can often be adapted to also run on fuels such as liquefied petroleum gas and ethanol blends. They may be designed
A circa-1970 AMC 232 automotive engine
Diesel engine
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A diesel engine is an internal combustion engine in which ignition of diesel fuel is caused by the elevated temperature of the air in the cylinder due to mechanical compression; thus, the diesel engin
Petrol engine
…and E85). They may be designed to run on petrol with a higher octane rating, as sold at petrol stations. Most petrol engines use spark ignition, unlike diesel engines which run on diesel fuel and typically use compression ignition. Another key difference to diesel engines is that petrol engines typically have a lower…
Rudolf Diesel's 1893 patent on a rational heat motor
Diesel's second prototype. It is a modification of the first experimental engine. On 17 February 1894, this engine ran under its own power for the first time. Effective efficiency 16.6% Fuel consumption 519 g·kW−1·h−1
First fully functional diesel engine, designed by Imanuel Lauster, built from scratch, and finished by October 1896. Rated power 13.1 kW Effective efficiency 26.2% Fuel consumption 324 g·kW−1·h−1.
An MAN DM trunk piston diesel engine built in 1906. The MAN DM series is considered to be one of the first commercially successful diesel engines.