American Petroleum Institute (API) announced the approval of improved performance standards for engine oils that will provide greater protection and fuel efficiency for today’s gasoline-engine-powered ...

Snake oil. Mouse milk. Whiffle dust. Take your pick — few products have earned such unflattering sobriquets as aftermarket motor-oil additives. And for the very good reason that these promised ...

Oil markets have had yet another confusing week, this time not just because of the coronavirus and all the media attention that has garnered. But this week, disparate crude oil inventory data from the ...