During the fuel crisis in 1973 the government imposed 50mph limits to try and reduce fuel use, and this could well have made the whole concept of trying to save fuel a more mainstream idea. Today, wit

Your bike’s internal combustion engine needs air to perform the ‘combustion’ bit. Here’s the lowdown on getting it in, keeping it clean and delivering it the best way

Tech solutions and real world tips

FRIEND or FOE?

CM reader, Malcolm Rainier, buys and sells a few motors during the year. Recently he has concentrated on buying (and repairing) the Mazda CX-5 range. Here Malcolm tells us his experience with the SUV, which has a bad reputation in the trade.

There’s nothing worse for the DIY-agnostic car enthusiast than getting a phone call from someone asking what’s wrong with their motor. “Any idea why it won’t turn over, mate?” “It wasn’t making that k