End of the road for traditional vehicles? Here are the facts

New sales of petrol and diesel cars will be banned by 2040 in the UK, which has since been joined by France. Sweden and Scotland will impose the ban by 2032, and Norway by 2025. Coupled with increasing concern over the carcinogenic effects of diesel emissions, the Volkswagen defeat device scandal, and the link between diesel particulates and Alzheimer’s, focus has turned again to electric cars.

There is still much debate about the long-term environmental benefits of electrically powered cars. What fuel mix will the power