Monitoring your fuel economy and becoming more aware of what influences it is one of the easiest and most fulfilling ways to make a difference for the environment.
Whether gas prices rocket past $3 a gallon or level off to about $2 a gallon, keeping an eye on your fuel economy will help you save big bucks each year.
We drive much more than 55: Today’s speed limits are much higher than those of 1985, when the EPA last revised its mpg math.
It’s best to buy gas in the early morning or late evening, when temperatures are cooler. You’ll get more gas for your dollar and filling up will contribute less emissions.