A closed economy typically refers to a country that does not trade or engage in other financial exchanges with any other country. That means no imports come into the country and no exports leave it.

The stickers will be required on all cars model 2013 or later. Will they change car-buying trends? Remains to be seen, but if people are paying attention and like saving money, they should.

WASHINGTON — The federal government Wednesday unveiled new fuel economy window stickers, for vehicles starting with the 2013 model year, that for the first time include estimated annual fuel ...

With only a few months left before an array of new plug-in vehicles start hitting the market, the Environmental Protection Agency has finally issued proposals for new fuel economy sticker designs ...