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 ...

FINDLAY, Ohio — Marathon Petroleum Corp.-branded gasoline with STP additives has been Top Tier certified. Top Tier certified gasoline is a standard for gasoline performance. The certification means ...

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 ...

When the ‘King’ of NASCAR - Richard Petty - and famed fuel additives brand, STP, first signed a deal in 1972, it was the start of one of the longest and most successful sponsorship relationships in ...