fuel-efficient

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fu·el-ef·fi·cient

(fyo͞o′əl-ĭ-fĭsh′ənt)
adj.
Operable using less fuel than others of the same kind: fuel-efficient cars.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

fuel-efficient

adj
(of a vehicle, etc) using the least or a lower than usual amount of fuel in proportion to the number of miles travelled
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Earlier this year, the automaker revealed an internal investigation after discovering that incorrect mathematical figures are likely to have been used to estimate fuel efficiency figures submitted to the EPA and California Air Resources Board.
Travel Business Review-June 17, 2019-Transavia France partners with OpenAirlines launch fuel efficiency solution
Customer profitability is enhanced with up to 35 percent better fuel efficiency and reduced service and maintenance costs.
Fuel is such a large cost that it focuses intense effort in the industry to improve fuel efficiency, through replacing fleet with new aircraft, better operations and efforts to persuade governments to remove the airspace and airport inefficiencies that waste around 5% of fuel burn each year.
Mack Trucks has unveiled the MP8HE 13-liter engine and HE+ package for its Anthem model series, noting the potential for a 9.5 percent improvement in fuel efficiency and Environmental Protection Agency SmartWay designation.
The standards called for approximately doubling by 2025 the average fuel efficiency of new cars sold in the U.S.
During the Challenge, drivers demonstrated their competency in vehicle handling at optimal fuel efficiency.
The drivers' competency in vehicle handling at optimal fuel efficiency was measured using Dynafleet, the Volvo Trucks' proprietary fleet management system.
24, the National Aeronautics and Space Administration (NASA) announced it had awarded Aurora Flight Sciences a contract "to perform a comprehensive evaluation of the Single-aisle Turboelectric Aircraft with Aft Boundary Layer propulsion (STARC-ABL) aircraft concept." If successful, this new airplane design could one day result in the creation of a commercial airliner boasting as much as a 50% increase in fuel efficiency.
Royal Jordanian selected Honeywell's Connected Aircraft GoDirect Fuel Efficiency software to reduce fuel usage on its fleet of 25 aircraft.
Honeywell's Connected Aircraft GoDirect Fuel Efficiency software has been selected by Royal Jordanian Airlines to reduce fuel usage on its fleet of 24 aircraft.