fossil fuels

NOUN

fuel derived from prehistoric organisms

Synonyms

WEAK

hydrocarbon deposit nonrenewable energy nonrenewable fuel source

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.

The research program was framed around finding solutions to climate change while keeping fossil fuels in play, focusing heavily on carbon capture.

From Salon • Jun. 26, 2026

Google stands out for “doing everything it can” to avoid building data centers that rely on fossil fuels, according to Michael Thomas, founder of data firm Cleanview.

From The Wall Street Journal • Jun. 24, 2026

"We can see in the numbers what people want - cheap cars and cars that will save them money, particularly as fossil fuels are volatile," she said.

From BBC • Jun. 23, 2026

Scientists fear it will exacerbate the heat of a planet already warming from burning fossil fuels, while amping up weather extremes.

From Barron's • Jun. 11, 2026

Unlike fossil fuels, wind, solar, and hydroelectric systems generate electricity with no associated air pollution emissions.

From "1919 The Year That Changed America" by Martin W. Sandler