New scoping paper reveals government supports aviation expansion, but "not at any price"
Consultation claims increasing maximum length of lorries would cut annual carbon output by 100,000 tonnes
Transport roadmap plans to replace conventional fuel with low carbon alternatives and shift road journeys to rail and waterways
Green Transport Network to help small and medium sized transport firms cut 17 million tonnes of CO2 per year
Study finds extending the length of lorries could cut 3.2 million tonnes of CO2 from UK's logistics sector each year
But green groups argue mandatory standards have been watered down by intense industry lobbying
Research body launches £40m project to improve the efficiency of some of the world's largest vehicles
Report finds bigger may be better when cutting emissions from Swedish timber trucks
Green groups argue that watered down standards will increase corporate fuel bills
FuelSave Partner programme aims to provide heavy-vehicle drivers with information on how to save fuel and cut carbon emissions