As the EU rolls out a new car emissions test, official fuel consumption and emissions figures will be far closer to reality. But consumers are paying a price, both in terms of added costs and fewer models available. When European drivers get into their cars as of Saturday (September 1), they may be surprised to learn that overnight their cherished vehicles have become about 20 percent less fuel-efficient and 20 percent more polluting than when they last turned the key... those buying a car next week or later may find more difficult to contend with is a car tax bill...