How the wheels came off Musk's green dream: Elon's fortune shrinks by $66billion as cheap Chinese rivals gobble up Tesla sales, one in ten staff are sacked... and even preening celebrities no longer want to be seen posing in his cars!

It was the exciting new firm that promised to save the planet, wean us off the internal combustion engine and end our addiction to oil. But there are signs that the wheels are coming off Musk's green car dream.