Should There Be a National Speed Limit?

July 18, 2008 — -- The Department of Energy reports that easing up on the gas pedal could ease gas prices.

While a 55 mph speed limit could save money, some highway patrol police say drivers won't change their habits.

Do you believe there should be a national speed limit? VOTE NOW.

Fuel Efficiency Tips:

In the site's Fuel Economy Guides, it tests cars of every make and model from 2000 to 2009. The chart compares car brands in terms of price, miles per gallon and anticipated annual fuel cost to make it easy to find a new or used car.