Are hydrogen-fuelled planes a route to cleaner air travel?
The prospect of guilt-free flying has got a bit closer – thanks to hydrogen planes developed by a Gloucestershire startup.
‘Real-world’ emissions tests for new cars
New cars are facing tougher emissions tests from today. The “real-world” requirement is designed to stop manufacturers from cheating results after the Volkswagen Group fitted software to diesel models which manipulated emissions readings in America.