Operable using comparatively little fuel: fuel-efficient cars. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "fuel-efficient" in a sentence
"Although Ford uses the word "fuel-efficient" throughout its press release about October sales, implying consumers are suddenly trading in their big cars for sedans, its growth is still being driven heavily by utilities mostly SUVs and trucks."
"When they thought about our dependence on imported oil, when they began to see the evidence of global warming, when they thought about all the wasted years when we could have been developing renewable energy and fuel-efficient cars, I think they looked back and asked, Now where is that leadership?"
"Meanwhile, Sen. Debbie Stabenow of Michigan announced that lawmakers are closing in on a deal with the White House that would give the program, which allows consumers to trade in old cars for newer more fuel-efficient vehicles, an extra $2 billion to continue and expand it."