End of the road: will automation put an end to the American trucker?

America's 2 million truckers have long been mythologised in popular culture. But self-driving trucks are set to lay waste to one of the country's most beloved jobs - and the fallout could be huge

Jeff Baxter's sunflower-yellow Kenworth truck shines as bright and almost as big as the sun. Four men clean the glistening cab in the hangar-like truck wash at Iowa 80, the world's largest truck stop.

Baxter has made a pitstop at Iowa 80 before picking up a 116ft-long wind turbine blade that he's driving down to Texas, 900 miles away.