Guardian: Its an essential right to be able to get from A to B. What a shame then that we cant welcome you to the national car fleet with open arms and some hemp bunting. There are more fuel-efficient cars on the market, but those gains are evened out by a rise in car use. In the UK, transport contributes almost a quarter of GHG (greenhouse gas emissions), more than half from cars. To reach emissions targets well need to put our foot to the floor (metaphorically, that is). But there are still not enough...