Energy agency warns that global fossil fuel subsidies could hit $660bn by 2020 based on current trends
More details on demanding US fuel efficiency standards not now expected until mid-November
Leaked documents seen by The Guardian say rich countries should use money to help poorer countries adapt to climate change
Report predicts market for lightweight materials will grow 150 per cent in six years
Reports claim compromise deal will require automakers to meet 54.5 miles per gallon standard by 2025
RSA and Shell study suggests taxi drivers could receive subsidies for promoting smarter driving
New report suggests valuation of top 200 listed fossil fuel firms is based on "unburnable" carbon assets
Fiat study finds insurance reductions are the greatest incentive for people to drive more efficiently
Dan Akerson argues additional tax on fuel would be more effective than national efficiency standards
But increase in fossil fuel use following last month's earthquake could see output on the increase