Researchers claim space-age design could cut aviation industry fuel use by up to 70 per cent
Rapid progress surprises industry insiders as three more firms prepare for alternative fuel test flights this year
Proposed delay gets short shrift from European Commission
New economic analysis reinforces call for third runway plans to be grounded
Court case expected to argue that the government failed to adequately consider carbon impact when approving third runway
Foreign and Commonwealth Office staff will fly 'cattle class' as part of department efforts to cut emissions by 10 per cent in 2010
Airline says entire fleet operating from London City airport could be using bio jet fuel from 2014
Judicial Review into inclusion of US airlines in EU emissions trading scheme to be referred to European Court of Justice
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