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biofuel

noun
bio·​fu·​el | \ ˌbi-(ˌ)ō-ˈfyü(-ə)l How to pronounce biofuel (audio) \

Definition of biofuel

: a fuel (such as wood or ethanol) composed of or produced from biological raw materials — compare fossil fuel

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Did You Know?

Since the early 19th century, "fossil fuel" has been used to refer to fuels such as coal, oil, and natural gas which are formed from the remains of plants and animals which have lain in the earth for millions of years. In the 1970s, a new word, "biofuel," began to be used to describe a different kind of fuel, one taken from more contemporary organic matter. These fuels include ethanol, which can be derived from such products as corn and sugarcane, and biodiesel, which can be formed from vegetable oils. These organic sources are reflected in the prefix, bio-, meaning "life" or "living organisms or tissue." The prefix bio- was borrowed from the Greek bios, meaning "mode of life."

Examples of biofuel in a Sentence

Recent Examples on the Web

The giant kelp that we’re focusing on in Alaska right now, the brown algae, can be used for everything from food to nutritional supplements to animal feed ingredients, biofuels, soil amendments and everything in between. Anchorage Daily News, "Shellfish and seaweed farms are a growing industry in Alaska," 27 Aug. 2019 Buttigieg also proposed expanding some Department of Agriculture conservation programs and indicated his support for biofuels. Caitlin Conant, CBS News, "2020 Daily Trail Markers: Inside Buttigieg's "Internet for All" initiative," 14 Aug. 2019 ETFs have exploded in popularity since then, providing a way to buy a basket of stocks and other securities that track the performance of an index or commodity, or esoteric niches such as lifestyle (passion for pets) and values (biofuels). Los Angeles Times, "The longevity of the world’s largest ETF rests on the lives of 11 U.S. millennials," 9 Aug. 2019 Castro vowed to include biofuels in his plan to fight climate change — a pet issue for many Iowans — and drawing applause for a promise to make American health care good enough so patients don't have to go to Canada or Mexico to seek treatment. Todd J. Gillman, Dallas News, "Julián Castro works the Iowa State Fair, issues 'plan to disarm hate' after El Paso rampage," 9 Aug. 2019 The government is aiming for 175 gigawatts of renewable energy by 2022, with 100 GW to come from solar power, 60 GW from wind, 10 GW from biofuels and 5 GW from hydropower. Nell Lewis And John Defterios, CNN, "Can India kick its coal addiction?," 11 July 2019 Experts say cutting carbon-dioxide emissions substantially over the coming years will require that new vessels begin running on alternative fuel sources such as biofuels or hydrogen batteries. Costas Paris, WSJ, "Major Banks to Weigh Environmental Impact in New Shipping Loans," 18 June 2019 The flight out of O’Hare International Airport was on a Boeing 737 powered by a fuel mixture that was 30 percent biofuel and got about 81.4 mpg, 16 mpg more than United’s fleetwide average. Lauren Zumbach, chicagotribune.com, "Airlines turn to sustainable fuels, carbon offsets, compostable cutlery to fend off environmental 'flight shame' stigma," 14 June 2019 New-energy businesses such as hydrogen and biofuels are seen as financial black holes. The Economist, "Shell’s boss delivers some hard truths on oil and climate change," 4 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'biofuel.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of biofuel

1974, in the meaning defined above

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