Latest awards take total stimulus funding for renewables sector through the $1bn mark
WhatGreenCar survey shows a dramatic reduction in environmental impact of 2010 models
If Copenhagen is the meeting to save the world, what happens if the talks collapse?
Key differences between the US and Europe could undermine a new worldwide treaty on global warming to replace Kyoto, sources say
Departure of "green jobs Czar" raises questions over future leadership
As Obama preps energy policy, Senate confirms latest version of Waxman-Markey not expected until late September
More than 500 green fuelling stations and 9,000 low-carbon vehicles to be rolled out as part of economic stimulus project
Washington confirms it will not reverse policy of refusing to pay for " congestion tax", despite owing more than £3.4m in unpaid fines
Executive Order expected to require US government suppliers to provide information on carbon emission reduction plans
General Motors, Ford, Chrysler and Johnson Controls all big winners as President dishes out $2.4bn in green car funding