One of the company's most recognizable and trusted American brands is Pennzoil: a motor oil with deep roots in U.S. automotive history dating back to Oil City, Pennsylvania circa 1913. Pennzoil ...

Either way, Pennzoil is one of America's best motor oil brands, and many of its products are available to order from Amazon. Havoline is another motor oil company with a long history of ...

Does GF-7 Engine Oil Offer Better Fuel Economy ... It's pretty easy to seamlessly make the switch at your next oil change/ Brands like Pennzoil are already formulating full-synthetic products ...

DALLAS, March 31, 2025 /PRNewswire/ -- Pennzoil-Quaker State Company, a subsidiary of Shell plc ("Shell") and Blue Tide, an innovative company developing a network of used motor oil ("UMO") re ...