Costs to taxpayer of biofuel subsidies equivalent to $82 a barrel on top of retail prices
Proposed ethanol plant claims to have £1.5bn in supply contracts already in place
Fuels made from waste more effective at cutting emissions than those generated from energy crops
US researchers claim genetically engineered tobacco plants highlight the potential for using the "evil weed" as an efficient source of biofuel
As Twelfth Night heralds the end of the festive season, Boris Jonhson calls on London households and businesses to ensure their Christmas trees are recycled
Bio-science firm becomes latest US clean tech outfit to file plans for large-scale IPO
Chief executive calls for more regulatory certainty if plant is to thrive
On eve of Copenhagen, Department of Energy awards almost $1.7bn in new funding for carbon capture and biofuel projects
Heavy R&D from big oil and government led to over-optimism on commercialisation date