In article ,
Nightjar wrote:
Petrol cars achieve a tank to wheel thermal efficiency of about 16%.
Non-condensing third generation steam locomotives achieve a drawbar
thermal efficiency of about 16%.

A steam locomotive generally operates under carefully controlled
conditions. Like all railways.

Cars don't.

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*When a man opens a car door for his wife, it's either a new car or a new

Dave Plowman London SW
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