We look at the cars whose nature and abilities were dramatically altered by the arrival of a new powerplant
Some go nowhere, but other concept cars really point to the future. We take stock of the most interesting and influential ones ever made
Which of these cars do you remember?
Germany has given birth to some amazing engines over the years – we reckon these are the best
Which revivals got it right, and which fell criminally short? We look at the most famous winners - and losers
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