If you want to cheap out on engine oil ... Where you'll find the biggest differences as price increases are the additives. The pricier the oil, the more additives are present.

The high cost of petrol in oil-producing countries is the result of a combination of market forces, policies, and economic ...

Oil prices rise on the first day of trade after the US imposed tariffs on Canada and Mexico, with analysts divided on the ...

Oil futures on Wednesday marked their lowest settlement prices of the year, after official U.S. data showed a weekly climb of ...

Goldman Sachs predicts limited short-term impact on oil prices from US tariffs, but warns of potential gasoline price hikes ...