Oil giants plough cash into cellulosic ethanol specialists, as race for second generation biofuel breakthrough heats up
State angered over Environmental Protection Agency's rejection of request for scaling back of US biofuel targets to address soaring corn prices
And we're not even sure where much of it comes from
New legislation would make 80 per cent of vehicles capable of being run on biofuels, but Texas wants a waiver over concerns about rising corn prices
"Perhaps, the time for Opec to face some competition has finally arrived"
US government announces plans for high profile renewable fuel competition
James Ingall of liquid biomethane producer Gasrec explains how fuel made from landfill waste is side-stepping many of the problems dogging other biofuels
Checks need to be put in place to ensure the correct use of biofuels
ActionAid accuses G8 of driving more people into poverty by pursing biofuels and cutting agri-aid
Government review expected to call for rethink over biofuel targets, as producers argue lack of certainty over government policy is impacting investor confidence