Kömür ve doğal gaz doğal yakıtlardır.
- Coal and natural gas are natural fuels.
Güneydoğu kömür, ham petrol ve doğal gaz ile ilgili önemli bir enerji üreticisidir.
- The Southeast is a major energy producer of coal, crude oil, and natural gas.
Natural-gas prices.
... it's not just oil and natural gas production at the moment ...
... the American people believe that. I will fight for oil, coal and natural gas. And the proof, ...