A useful web site that rates new cars on sale in the UK by their overall environmental impact

Honda’s rival to the Toyota Prius is the Civic IMA, a hybrid that aims to cut fuel use by combining petrol and electric power

Auto makers may complain that proposed European CO2 limits are too much too soon, but they should have seen them coming

Eliminating aircraft stacking by using computers to adjust arrival time promises small but worthwhile fuel savings

A sustainable transport lobby group believes carmakers are trying to suppress data about their slow progress in CO2 reduction

General Motors is working on greener cars powered by diesel-electric powerplants, but is taking a cautious route to market

Shai Agassi is aiming high with his new electric car venture, but he still has steep marketing hurdles to overcome

BusinessGreen roadtests the Mega City, a compact electric city car from the Nice Car Company

New sat-nav technology from UK start up Camvit promises to help drivers optimise their driving to improve fuel efficiency