Clue | Length | Answer |
---|---|---|
Byproduct of composting | 6 letters | biogas |
Having fun with short life - it's a source of energy | 6 letters | biogas |
Fuel derived from fermenting organic waste | 6 letters | biogas |
Graduates collect ten grand for green fuel | 6 letters | biogas |
Result of some fermentation | 6 letters | biogas |
Fuel from decaying matter | 6 letters | biogas |
renewable fuel made from organic matter | 6 letters | biogas |
renewable fuel | 6 letters | biogas |