Toyota

Manufacturers have already reached emissions levels of 140g CO2/km, despite previous claims that improvements would make cars unaffordable

Prius will be about £3,000 cheaper than its range-extended rival when both go on sale in early 2012

Could Toyota and Ford's hybrid partnership prove the shape of things to come?

Arch rivals team up to accelerate development of fuel-efficient technology

Utility connects 17,000 solar panels to the grid at Toyota's Derby factory

Study finds producing electric cars does take more carbon, but overall output is far lower than petrol or diesel vehicles

Car manufacturer to fit 17,000 photovoltaic panels at Debyshire plant, generating enough power to build 7,000 cars a year

Power steering and gearbox issues are forcing the latest in a string of recalls

New company strategy targets larger low-carbon fleet to regain ground lost by product recalls

Manufacturers reveal plans for millions of electric vehicle charge points and hundreds of hydrogen refuelling stations