Chances are, no one is intentionally adding water to your fill-up. However, there could be many other ingredients in there.

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A U.S. oil and biofuel coalition met with the Environmental Protection Agency on Tuesday to make the case for higher federal ...

Brazilian state-run oil company Petrobras will lower refinery gate diesel prices by 4.6%, Chief Executive Magda Chambriard ...

An environmental rule designed to rein in emissions from ships in the Mediterranean is sending regional diesel prices into a ...

Can synthetic diesel replace traditional diesel fuel? Explore its performance, compatibility, costs, and environmental impact ...