Don't be fooled by this so-called Green Wave. And climate change deniers and delayers needn’t busy themselves ridiculing those Vega-wearing, Tesla-driving vegans just yet.

ON July 1, Elon Musk went home to sleep. The chief executive of the electric carmaker, Tesla, had been camping out at his electric car factory in Fremont, California, for much of the week.

Richard Branson has slapped his Virgin brand on trains, planes, spacecraft, and (soon) cruise ships. Are cars next?