These seven accessories are worth adding to your parts stash, along with practical tips on choosing, storing and rotating ...

Engine oil additives make all sorts of promises about helping your vehicle's motor last longer and increasing your gas mileage. Here's what you need to know.

On Halloween 1963, the department's antitrust division filed a complaint against the carmaker — it ended production in 1966 — for fixing prices and allocating markets for motor oil additives ...

STP began life as Scientifically Treated Petroleum, then became Studebaker Tested Products when the Studebaker Corporation took over the company as part of its move away from car manufacturing in ...

Engine oil additives make all sorts of promises about helping your vehicle's motor last longer and increasing your gas mileage. Here's what you need to know.