Air Force completes first flight of A-10C Thunderbolt II with all engines running on blend of biofuel and conventional fuel
Green groups to take European Commission to court over alleged failure to release documents thought to reveal concerns over the environmental impact of biofuel targets
Liverpool ONE centre to use cooking oil from restaurants to power the estate's vehicles
Senior executive argues 10,000 more flex-fuel pumps are needed across US
Target to source 10 per cent of transport fuel from biofuels must be abandoned, says ActionAid