fossil fuel
Plural
fossil fuels
1
a fuel that is found in nature and obtained from the remains of plants and animals that died millions of years ago, such as coal and gas
- Burning fossil fuels releases carbon dioxide into the atmosphere.
- Coal is one of the most widely used fossil fuels.
- Fossil fuels are a major source of global energy production.
- Natural gas is considered a cleaner fossil fuel compared to coal.
- Many cars still rely on fossil fuels like gasoline.