FINDLAY, Ohio -- Marathon Petroleum Co. LLC, The Armor All/STP Products Co. and Afton Chemical Corp. have agreed to introduce STP branded gasoline performance additives to the Marathon-branded retail ...

Vanguard of engine care, STP, has launched a unique and immensely versatile treatment, with many uses, designed to keep all 2- and 4-stroke petrol and diesel-powered engines running at their best.

You know your brand is huge if society's fringe elements name a drug after it. Aftermarket fuel additive STP used to be that brand. It was part of our collective unconscious and was ubiquitous in ...

When it comes to modern cars, even the latest advanced engines need a bit of help to keep running cleanly and efficiently. Luckily, STP® has a range of easy-to-use fuel additives, which have been ...

FINDLAY, Ohio -- Marathon Petroleum Co. LLC, The Armor All/STP Products Co. and Afton Chemical Corp. have agreed to introduce STP branded gasoline performance additives to the Marathon-branded retail ...