REYKJAVIK (Reuters) - Hydrogen, tested in buses from Amsterdam to Vancouver and used in the rockets of the U.S. space shuttle, is a clean power that promises to break dependence on oil and gas — at least in Iceland.

“Sometimes I have to explain to passengers that it’s just water vapour,” the driver said of white clouds trailing after his bus along the streets of the capital, Reykjavik. “When it’s very cold there’s a lot of white steam.”

With almost unlimited geothermal energy sizzling beneath its surface, Iceland has an official goal of making the country oil-free by shifting cars, buses, trucks and ships over to hydrogen by about 2050.

Complete article: Iceland’s hydrogen buses zip to oil-free economy (Reuters)