If you've ever looked under the bonnet of a car, the engine can seem like a maze of metal parts, pipes and wires. In reality, its job is quite simple: it turns fuel into the power that moves your car.

What is a strong hybrid car, and how does it work? Discover how petrol engines and electric motors work together, improve ...

Higher power usually means worse fuel economy, except when it comes to compression ratio. Here is how engines extract more ...