Longman Dictionary of Contemporary English
Usage examples of "fuel-efficient".
In exchange for federal financial assistance in meeting the health-care costs of retired autoworkers, the Big Three would reinvest these savings into developing more fuel-efficient vehicles.
And he got out three months before Cadillac, in April 1975, introduced the Seville, a fuel-efficient model that looked as though it had lost its pants, after which Cadillacs were never the same.
The autopilot was set for constant-Mach hold, which adjusted aircraft altitude automatically as gross weight decreased so they could maintain the most fuel-efficient airspeed-the Mt-179 very gradually climbed as gross weight decreased, up to forty-five thousand feet, the aircraft's maximum operating altitude, or a lower altitude set by the pilot.
The Japanese had started in that market at an even lower status than Volkswagen, with small, ugly cars that were not all that well made and contained unimpressive safety features, but that were superior to American designs in one way: they were fuel-efficient.