Possibly crude European joins (is full of s***, unfortunately) (6,4) |
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Coal, for example (6,4) |
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Coal or gas gives flies flu, so strange! (6,4) |
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Remains of dinosaur feed oil (6,4) |
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Traditional source of energy, like coal or oil (2 wds.) |
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Coal remains substance to be burnt (6,4) |
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Carbon-based energy source |
New York Times |
22 Apr 2024 |
Natural gas, coal, etc |
The Washington Post |
23 Feb 2021 |
Natural gas, coal, etc |
LA Times Daily |
23 Feb 2021 |
Natural gas, e.g |
USA Today |
05 Sep 2017 |
Non-renewable energy source that might be fueling 15-Across: 2 wds. |
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Natural gas, e.g. |
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Coal or oil, e.g. |
The Telegraph Quick |
11 Jul 2015 |
Coal or natural gas |
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Conventional energy source |
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Oil, coal, etc. |
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Coal or oil, e.g. |
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