The founder of Europe’s largest fleet of zero-emission hydrogen cars says London should seize the chance to rid itself of ‘the Big Smoke’ tag by increasing the number of hydrogen refuelling stations. Jonny Goldstone, managing director of Green Tomato Cars, a green private vehicle hire business, believes improving the hydrogen refuelling network could spark a ‘green rush’ to help the capital - and the rest of the UK - hit its Net Zero targets.