Remember from Part 1: When fuel burns, the space taken up by the exhaust gases is much much greater than the space that the original petrol and oxygen took up to start with. This is due to the gases produced, and a lot of heat. In an internal combustion engine, like the one in your
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In a nutshell, the fuel our car uses is a specific ‘fraction’ extracted from the refining of crude oil, which is a naturally occurring liquid, formed from the remains of animals and plants that lived millions of years ago, and were compressed by billions of gallons of sea water. Imagine crude oil is a box
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