alternative fuel
noun/ɔːlˌtɜːnətɪv ˈfjuːəl/
/ɔːlˌtɜːrnətɪv ˈfjuːəl/
[countable, uncountable]- fuel that can be used instead of fossil fuels such as coal and oil, and instead of nuclear fuel
- Biodiesel is a clean-burning alternative fuel.
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alternative fuel