Instead of committing to giving up beer or bad manners as your new year`s resolution you could commit to being cleaner (in an emissions sense of the word). The new Citroen C3 Black and White Editions come with a very efficient 1.4-litre petrol engine which returns 47.1mpg and emits just 139g/km of CO2. The Polar White C3 costs £11,990 and the Obsidian Black metallic version £12,430. Both have 16" alloys and standard air-conditioning, variable power assisted steering and a Gear Efficiency Indicat
