|Percentage contribution of different sectors to UK GHG emissions. While industrial emissions have declined since 1990, emissions from road transport usage have slowly increased.|
The UK auto industry has halved its energy use, waste and CO2 emissions from vehicle manufacturing from 2001 to 2005.
Average energy use per vehicle dropped from 6.2 to 3.2 MWh, with a corresponding drop in CO2 per vehicle from 1.3 tonnes to 0.6 tones. Waste to landfill per vehicle dropped 78% from 66.4 kg to 14.5 kg, while water use almost halved from 6.2 m3 to 3.2 m3.
The Society of Motor Manufacturers and Traders Limited (SMMT) provided the figures in a preview of a sustainability report due to be published on 18 September.
On the road transport accounts for approximately 21% of the total anthropogenic emissions of carbon dioxide in the UK (32.6 million tonnes out of a total of 153 million tonnes in 2004), according to the UK’s DEFRA.
That figure has steadily—albeit slowly—increased from 1990’s level of 19% (29.9 million tonnes out of 160.7 million tonnes total). While overall greenhouse gas emissions have dropped, transportation’s have increased—as have emissions from the residential sector. Emissions from energy industries and other industries have dropped.