For all the environment buffs who feel they have to give back to the environment in any way possible now get their chance to do so with the all new Prius as it made its lauch at the Detroit Motor Show this week. This is the 2010 Prius which is releasing after the vastly popular 2003 model which sold more than all the other hybrids put together. Coming back to the new model, this claims to have an improved mileage ...