Diesel oil, however ... The owner's manual will also be the place to look for oil change frequency –- often the oil should be changed every 5,000 to 15,000 miles, but it's best to make sure.

P.E.I.'s Island Regulatory and Appeals Commission announced an increase in the prices of gas, heating oil, and diesel ...

To optimize engine oil change intervals, in addition to factoring ... Synthetic blend SAE 10W-30 or 10W-40 diesel-engine oil may offer extended-drain capability, enhanced engine cleanliness ...

The president said he’d declare an energy emergency, increase drilling and end support for electric cars. His pivot to oil ...

LONDON (Reuters) - Global diesel prices and refining margins spiked following the latest round of U.S. sanctions on Russia's oil trade on expectations the measures would tighten supplies ...

NEW YORK (Reuters) -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.

This change was driven by fuel efficiency as ... Viscosity is only one aspect of a heavy duty diesel engine oil. There is a complex mixture of various performance additives, coupled with select ...