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
Plans to tax fuels by energy produced welcomed by green groups, but will require backing of all member states to become law
Leaked draft energy policy proposes ending fossil fuel grants to most countries, as new sustainable palm oil policy is introduced
Chancellor snips 1p off fuel duty, taxes private jets, and vows to fight for international laws preventing per plane tax
Public transport chiefs demand more funding to cope with spike in passenger numbers caused by soaring fuel prices
Three-month hiatus in nuclear output could see eight million tonnes of carbon emitted as fossil fuels plug energy gap
Report calls for system of Tradable Energy Quotas for businesses and individuals
Green group warns failure to adopt Renewable Energy Directive measures before Sunday's cut-off date will render key low-carbon schemes illegal