Entrepreneurs are replacing petrol and diesel engines on buses, boats and even planes – and say the impact is not only environmental
By all rights the 2007 black cab driving through London on a sunny summer day should be on its way out. Taxis older than 12 years are not eligible for licences in the city, to try to cut air pollution. But this one is different: under its bonnet is an electric battery and motor.
That would not have been immediately obvious to the family trying to hail the Guardian’s cab on a test drive by the River Thames.
