- producing power, heat, etc., at a rate considered optimal with regard to the amount of fuel consumed.
Examples from the Web for fuel-efficient
Contemporary Examples of fuel-efficient
With gas hovering near $5 per gallon in some areas, fuel-efficient vehicles are appealing to more and more customers.U.S. Car Fleet Sold in August Most Fuel-Efficient Ever
September 16, 2013
It looked every bit the sleek precursor of a new age of fuel-efficient, passenger-friendly machines it was cracked up to be.Is Boeing's New Plane Safe?
June 23, 2009
With city fuel economy of 34 mpg, the Ford Escape remains the most fuel-efficient SUV available today.What They're Driving
December 3, 2008
Historical Examples of fuel-efficient
But fuel-efficient maneuvers are rarely time-efficient ones.The Pirates of Ersatz