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.

Say what you will about the efficiency of the U.S. government and the slow-rolling wheels of justice, but things eventually get worked out. Just this month the Justice Department filed to terminate a ...

Car DIY is on the increase, thanks no doubt in part to the financial squeeze, but an unnecessary fear of the unknown is preventing simple cost-saving DIY amongst many motorists, according to STP, the ...

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 ...

Andy Granatelli, a flamboyant race car driver turned businessman who became a household name with TV commercials for his STP fuel and oil additives, died Sunday at a Santa Barbara hospital. He was 90.

Tesoro Petroleum Corp., an independent refiner and marketer, signed an agreement with Brookfield, Conn.-based Additech Inc. to use the technology firm's fuel additive and advertising system at fuel ...