Eight percent of U.S. employees commute up to 60 minutes for work. Of these commuters, more than 75 percent get to work via car. Day after day, gas miles take an equal toll on commuters' wallets and on the environment. If you drive to work each day, green your commute with apps to help you track driving habits and environmental impact. Top apps for green driving Whether you drive a hybrid or a traditional car, these apps help you save money. Fuel Log: One baseline for green d

The green car movement promotes cleaner cars that produce lower emissions. HowStuffWorks looked at the standard hybrid car energy per mile compared to a conventional car. This figure includes the production footprint, which is somewhat higher for hybrid vehicles, as well as other factors that indirectly contribute to pollution generation. The hybrid vehicles tested came out to 4,200 BTU of energy per mile, compared to 6,500 BTU of energy per mile for conventional cars. When m