IATA pledges to ensure global emissions peak by 2020 as air travel sector lends its voice to campaign for meaningful Copenhagen deal
New Zealand biofuel firm Lanzatech says proprietary microbe uses steel factory emissions to help produce ethanol
"Algeus" hybrid can be used in pure electric mode in urban areas
Stagecoach founder provides backing for company turning cooking oil into biodiesel
Row between green groups and farmers highlights cattle industry's links to rainforest palm oil plantations
Synthetic biodiesel to be used by ground vehicles, but supplier confident it can also serve aviation market
Green groups call for International Finance Corp to freeze all investment in palm oil plantations
Christian Aid study claims biofuel targets are contributing directly to deforestation, displacement of farmers and poor labour rights in developing countries
U-turn comes as study reveals palm plantations store less carbon than previous estimates
Partnership with Martek Biosciences to focus on new techniques for converting sugar into biodiesel