Studies show that cars use significantly more fuel per kilometre than suggested by official test ratings. This publication presents an analysis of the fuel efficiency gap and examines technologies available that could reduce that gap and improve fuel economy. It examines such areas as engine and...

Technology can make a significant contribution to reducing greenhouse gas emissions from the energy sector. But it can only do so if efforts to develop and deploy advanced energy technologies are redoubled and if technological advances are combined with measures that discourage the emitting of...

This roadmap explores the potential improvement of existing technologies to enhance the average fuel economy of motorised vehicles; the roadmap’s vision is to achieve a 30% to 50% reduction in fuel use per kilometre from new road vehicles including 2-wheelers, LDV s and HDV s) around the world...