Italy's Lamborghini Murcielago has been named and shamed as the most polluting car of the nation by the UK's Environmental Transport Association (ETA), being five times worse than the greenest automobile of 2010, the Toyota iQ which produces just 99g of CO2 per km.

"With emissions five times worse than the greenest car, the Lamborghini is the bull in an environmental china shop," said Andrew Davis, director of the ETA. "Thankfully, there are very few on the roads and there is an increasing choice of environmentally-sound cars." The group said it examined over 5,000 cars sold in the UK ranking them for their power, emissions, fuel efficiency and the amount of noise they produce. ETA also said that a poll of 1,500 British drivers found that Scottish were most inclined (42%) to buy a smaller car in order to reduce their motoring costs, while drivers living in the north of England were the least inclined (34%).

However, super cars like the Lamborghini Murcielago and the Ferrari 612 Scaglietti, which top both CO2 and fuel cost lists, are not only extremely rare but also driven much less than a Toyota iQ or the Honda Insight. This means that their actual total emissions per year are pretty much inconsequential.

The complete Hall of Shame/Fame list is shown below.