Hydrogen vehicles

The fleet of 20 hydrogen-powered buses - half of which have never operated - will run on batteries.

It had been hoped that Aberdeen's hydrogen bus fleet could return to operation in the summer.

Acua Ocean successfully tests an unmanned surface vehicle in a hydrogen-powered mission.

The locomotive could help move the railway industry away from fossil fuels, those behind it say.

The company says this is the largest deal in its 78-year history and is worth up to half a billion pounds.

The 34 zero emission buses join 20 already operating on routes across Surrey.

Newton Hydrogen Limited will convert plastic rubbish into hydrogen at its new site in Rotherham.

The cost of replacing 41 diesel waste vehicles with electric or hydrogen models proving prohibitive.