The chief executive of Brazilian state-run oil firm Petrobras told Brazilian President Luiz Inacio Lula da Silva during a ...

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.

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 ...

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 ...

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 ...

P.E.I.'s Island Regulatory and Appeals Commission announced an increase in the prices of gas, heating oil and diesel overnight, one day ahead of the regular weekly price review. (Mitch Cormier/CBC ...