World's largest tidal power turbine unveiled in Scotland.

Korean artist-designer wows with creative use of ordinary materials.

Plug-in supercar could be yours for a mere $600,000.

But GM says $350-a-month lease deal will put electric car within reach for many.

Former Formula One engineer unveils superlight eco car.

The switch to efficient lighting will have a significant impact on emissions – and climate change.

Slick-looking electric vehicle will be ready later this year.

New nanotechnology research means your pants may one day power your iPod.

World's fastest hybrid picks up fares in Rome.

Largest solar-powered boat in the world to attempt historic voyage.