Aviation

Campaigners criticise Transport Committee report urging a third and fourth runway to maintain UK's status as an international aviation hub

Swiss-built Solar Impulse will travel from San Francisco to New York powered solely by PV panels on its wings

US space agency says blended biofuels are 'quite acceptable' for commercial flights after series of tests in California

Deal for 60 aircraft comes after EU temporarily exempted foreign carriers from regulations charging for CO2 emitted during flights

Move comes after China Eastern Airlines conducts successful trial of Sinopac-produced fuel made from palm oil and recycled cooking oil

Farm to Fly initiative aims to support annual production of one billion gallons of aviation biofuels by 2018

Airline estimates new efficiency measure will cut nearly one million tonnes of CO2 emissions and save $275m over 2013

Public inquiry determines airport can expand, despite backing onto specially protected areas

Carrier's industry-first move could encourage the rest of the sector, says partner organisation the Sustainable Restaurant Association

Work on energy efficient aircraft could reduce CO2 emissions by 100 million tonnes a year, government says