fossil fuels

1. Coal, petroleum, and natural gas.

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

With power demand surging and fossil fuels back in fashion, it is a good time to be making turbines for gas-fired power plants.

Read more on The Wall Street Journal

The Paris accord calls for developed countries to lead the way in reducing emissions, and requires them to help finance the transition of developing countries away from fossil fuels.

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Where once governments and the public saw safety risks, some now see a source of low-carbon electricity that is crucial to help economies shift away from fossil fuels.

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What do job cuts from oil producers reveal about the future of fossil fuels?

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It’s a growing source of energy that could replace fossil fuels in some industry and transportation uses.

Read more on Los Angeles Times