alternative fuel

noun

1. a vehicular fuel that is not entirely derived from petroleum, as natural gas, hydrogen, or an alcohol mixture:

   the environmental benefits of alternative fuels.

Word History and Origins

Origin of alternative fuel¹

First recorded in 1905–10

Example Sentences

Chemists have developed a novel way to capture and convert carbon dioxide into methane, suggesting that future gas emissions could be converted into an alternative fuel using electricity from renewable sources.

From Science Daily

Ministers have decided not to support the use of hydrogen as an alternative fuel for heating homes, though they say it will have an important role in and around industrial sites.

From BBC

"But the ketogenic diet can provide ketones as an alternative fuel to glucose for a brain with energy dysfunction."

From Science Daily

The state also offers a tax waiver on clean alternative fuel vehicles, which applies only to new cars valued at $45,000 or less, or used that run $30,000 or less.

From Seattle Times

After investigating the viability of diesel vessel exhaust scrubbers, green ammonia, made by electrolysing water with renewable electricity, was proposed as an alternative fuel source to quickly decarbonise the shipping industry.

From Science Daily