fossil fuels
CEFR: B1
Hydrocarbon energy sources (coal, crude petroleum, and natural gas) formed over geological epochs from ancient organic matter.
Synonyms
- non-renewable hydrocarbons
- petrochemical fuels
Common Collocations
- burning fossil fuels
- reliance on fossil fuels
- phase out fossil fuels
Example Sentence
Subsidies for fossil fuels distort market mechanisms that would otherwise accelerate renewable energy adoption.