We try 4x4 and front-wheel drive versions of the same car back to back. Can you tell the difference?

We’ve all, at some stage, filled a tank with diesel then had to endure an entire drive inhaling the chemical stench of the residual oil. But it’s a price worth paying for the superior miles-per-gallon return that’s a given with diesel, right?

Honda recently announced that the hydrogen filling station at its Swindon manufacturing plant will now produce its own hydrogen, with the required energy coming from solar panels. Previously the hydrogen in the tanks at Honda Swindon was brought in by trucks, which use fossil fuels.