

The Fuel-Use Debate - Car AC or Windows Down?
There is a school of thought that claims your car AC is a huge drain on your car engine and that it has a noticeable effect on your fuel usage. Another group claims that car air-conditioning is actually very efficient and that the drag caused by open windows is a larger detriment, especially on the highway.
Read more - Air Conditioning Vs. Windows Down: Which Is Best?





