I would let the Chinese have this dirty fuel.

No working reactor, but tons of dirty fuel.

These ships are simply too big and consume too much dirty fuel.

So, it's to be expected that the dirtiest fuel, coal, would dominate the proceedings, accounting for just over half of the 120 billion dollar figure.

"It would make the situation worse by expanding the taxpayer subsidies for the world's dirtiest fuel."

Cuts energy bills for 3 million families, and reduces our dangerous dependence on foreign oil and dirty fuels.

New regulations were implemented, restricting the use of dirty fuels in industry and banning black smoke.

Coal is a dirty fuel that isn't great for the air or the respiratory system.

For a long time, natural gas, despite its advantages over dirtier fossil fuels, was on the downswing.

Lastly, very dirty fuels must not be given an advantage in the form of higher emission limits.