Sustainability

Using electricity to generate alternative fuel

Fisker to replace battery packs on 640 Karma sedans

3D design increases solar cell output

Nuclear plants could produce clean hydrogen

Extreme weather linked to global warming

US has plenty of room for carbon storage, says MIT

Venice still sinking, say scientists

Porsche 918 Spyder hybrid hits the track

Volkswagen goes green with Formula XL1

Mercedes teases SLS AMG E-Cell vehicles