Aviation

Plans to tax fuels by energy produced welcomed by green groups, but will require backing of all member states to become law

Funding round rewards four next-generation projects, including MIT's "double bubble" aircraft design

New scoping paper reveals government supports aviation expansion, but "not at any price"

Transport roadmap plans to replace conventional fuel with low carbon alternatives and shift road journeys to rail and waterways

Successful supersonic test flight of F-22 Raptor with camelina-derived fuel paves the way for future rollout

A rundown of the key announcements affecting green businesses

Aviation giant launches Sustainable Biomass Consortium with a view to streamlining biofuel standards

Engineers behind Zephyr project to design motor powering Boeing's SolarEagle

Over 212 million credits will be divided between aircraft operators when the sector enters EU emissions trading scheme in 2012

Satellite-guided planes will cut European emissions by ensuring they spend less time in the air