Commuters could be driven to work in the cleanest car

Commuters could soon be taken to work in a driverless car which is so clean they could relax on the journey with a cup of tea brewed using water from the tailpipe.

The state-of-the-art Hyundai Nexo is a crossover SUV vehicle which runs on electrical energy generated by hydrogen fuel cells.

Unlike traditional combustion engines, hydrogen cars don’t emit carbon dioxide or nitrous oxide so its only by-product is water vapour.