Meaning & use
biogas
Last updated
Meaning
noununcountable
a gas produced by the breakdown of organic matter, used as a fuel
Grammar: Uncountable; used without 'a' and without a plural: 'Biogas is renewable.'
Patterns
- produce biogas
- biogas plant
- biogas from waste
The farm uses animal waste to produce biogas for cooking and heating.
Biogas is a renewable source of energy that can be generated from food scraps.
Many rural communities have built small biogas plants to reduce reliance on firewood.
Common combinations
- biogas plant
- The new biogas plant will process agricultural waste.
- produce biogas
- Bacteria in the tank produce biogas as they break down the waste.
- biogas production
- Biogas production has increased as countries seek cleaner fuels.
- biogas digester
- A biogas digester converts manure into usable gas.
Synonyms and how they differ
- methane
- Methane is the main component of biogas, but it is a specific chemical compound; biogas is a mixture.
- natural gas
- Natural gas is a fossil fuel, while biogas is produced from renewable organic matter.
Word family
- biological adjective
- relating to living things
- biomass noun
- organic material used as fuel
Commonly confused: biogas or biodiesel?
biogas vs biodiesel
Biodiesel is a liquid fuel made from vegetable oils or animal fats, while biogas is a gas.
Practice
Which sentence uses 'biogas' correctly?
Choose one answer.
'Biogas' is uncountable, so it takes a singular verb and no article: 'Biogas is produced...'. The other options incorrectly treat it as countable or plural.
Make it your own
Write a sentence using “biogas”, then check it and compare it with the examples above.