fossil fuels
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All fossil fuels produce carbon dioxide when burned. (See greenhouse effect.)
Burning fossil fuels is a main cause of air pollution.
All of these fuels were formed from the remains of plants and animals that lived millions of years ago.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
In the years since, Japan has ramped up imports of natural gas and other fossil fuels to meet its energy needs.
“Having energy dominance means you have a wide variety and depth of energy sources, from fossil fuels to nuclear to wind to solar, everything.”
From Los Angeles Times
Nuclear fusion has the potential to one day accelerate the planet’s shift away from fossil fuels, which are the major contributors to climate change.
From Los Angeles Times
This could have the perverse effect of preventing the deployment of renewables even when they are cheaper than, and superior to, fossil fuels.
Now it is pivoting back to fossil fuels fast in a bid to boost profits and its languishing stock price.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.