There are many ways to reduce fuel consumption and emissions, and not all of them require a radical change to the type of vehicle you choose to drive. For instance, taking your foot off the gas pedal and slowing down a bit can have a real effect on your fuel bill, and the UK government is keen to see this strategy gain acceptance.
Recently, we reported on so-called eco-towns in the U.K. which have imposed 15 mile per hour speed limits in an effort to reduce pollution. We're pretty sure that their end-goal is to remove vehicles from the roads entirely, not simply forcing them to slow down. It seems that other towns are lowering speed limits for a completely different reason: safety. The city of Portsmouth has recently become the first city in Britain to impose a 20 mile per hour speed limit for nearly every residential str