Biofuel

Wing attachments to save airline 7m litres of fuel annually, 19 per cent more than expected

Gaia Power latest developer to secure planning permission for large-scale biomass power plant

New liquid-to-gas fuel promises to improve air quality and could help curb carbon emissions

New technology means more fuel can be produced from less waste

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