It is all beginning to look a bit like the Volkswagen scandal: you remember, when regulators caught out the German car company for installing software which detected when diesel engines were in test mode and adjusted performance so that it flattered emissions figures.
A test by What Car magazine has revealed that the official figures for the range of electric cars over-estimates their real-life range by around a third. Vehicles were driven around a test track in Bedfordshire until they ran out of juice.
