Diesel engine oil typically possesses a higher level of viscosity than the traditional stuff, which means it pumps at a much lower temperature and takes more heat to start flowing cleanly.

The second car that I ever owned was a 2002 Chevy Silverado 2500 with a 6.6L Duramax diesel engine under the hood. It wasn't my first choice, but it was a hand-me-down from my father after my 1993 ...

New EPA 2027 emissions rules also mean new diesel engine oil specs. A new generation of heavy-duty engine oils will feature lower viscosity, improved thermal resistance, and possibly longer oil ...

Oil prices settled higher on Monday in thin late-year trade as investors bet on a drop in temperatures across the U.S. and Europe over the coming weeks to boost diesel demand.

Diesel prices in the United States have climbed about 11 cents over the last month, to around $4.56 a gallon. Gasoline prices are down 2 cents, to $3.79 a gallon.

Oil pipelines may have difficulty adjusting operations to the 15-ppm sulfur rule for ultra-low sulfur diesel (ULSD), based on tests conducted on two US product pipelines and reported ...