How green are car makers? - Jaguar to Nissan

Jaguar
'The new XJ and XK deliver class-leading fuel economy and utilise the latest lightweight aluminium technology.'

Land Rover
'In the coming months, we will reveal the technology that will bring significant benefits in fuel economy and lower emissions.'

Lexus
'Lexus has three hybrid cars: the RX400h 4x4, GS450h executive and LS600 luxury car.'

Mazda
'We are working towards using less lead, hexavalent chromium, cadmium and mercury in cars. We have begun development work on hydrogen rotary engine vehicles, too.'

Mini
'Since 2001, overall consumption of water in producing Minis at our Oxford plant has been cut by 25% per body. We cut compacted process waste sent to landfill by almost two-thirds at the end of 2004.'

Mitsubishi
'We have committed to reaching average carbon dioxide emissions of 140g/km by 2009 in Europe.'

Nissan
'We've introduced a wind power generator at our Sunderland factory. The project will cut carbon dioxide emissions by 10,000 tonnes a year.'