Fuel Saving Tips
50/50 rule--updated
Although Mythbuster has "proven" that it is more efficient to have the windows up at 50 miles an hour and higher, likely their test was done with a car with belt driven A/C. This rule will not be true with newer cars that have electric A/C.
posted by LocoDiesel on November 6, 2012
this tip works for 28% of voting Fuelly members.
