Vehicle standards finally adopted formally in a move that should cut US vehicle emissions by around 15 per cent

First step in Californian firm's bid to build the world's first infrastructure networks for electric cars by next year

Air Force completes first flight of A-10C Thunderbolt II with all engines running on blend of biofuel and conventional fuel

From Tesla's U-turn to the latest carbon offset crisis, we run down the top stories from the past week

"Today's announcement is unfortunately all too typical of what we have seen so far from President Obama – promises of change, a year of "deliberation", and ultimately, adoption of flawed and outdated Bush policies as his own."

Nine arrested over alleged €50m carousel fraud

Ford to use Hohm smart meter tool to let electric car customers know when it is cheapest for them to recharge their vehicle

Online map provides developers with insight into where demand is likely to be highest for combined heat and power or renewable heat projects

Makers hopeful that maiden voyage of world's largest solar-powered catamaran will prove that the sun can fuel the world