The thermal efficiency of an engine is a measure of its ability to convert fuel into useful work.
For a petrol or diesel car engine, thermal efficency is usually less than 30% – in other words, 70% of the energy in the fuel is wasted.
The thermal efficiency of an engine is a measure of its ability to convert fuel into useful work.
For a petrol or diesel car engine, thermal efficency is usually less than 30% – in other words, 70% of the energy in the fuel is wasted.
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