Premium synthetic lubricant manufacturer Royal Purple has announced the launch of its all-new BioMax line of environmentally acceptable lubricants (EAL), engineered to deliver unparalleled performance ...

When shopping for and researching the best possible oil for your car, two options will likely come up a number of times: Royal Purple and Pennzoil Ultra Platinum. While oil specifics might not matter ...

It's hard enough to understand things that you can see. For instance, electronic fuel injection, Rubik's Cubes, and those with the double-X chromosomes. As utterly baffling as they may be, things get ...

Synthetic lubricant manufacturer Royal Purple has introduced its new commercial lubricant product line, Duralec, specifically developed for the over-the-road trucking and heavy-duty fleet markets.

Royal Purple has been around for a long time. But the brand name surely isn’t as well known as, say, Castrol, Repsol or DuPont. The company’s founder was one of the first to develop synthetic ...

It’s no secret that rotary engines make more heat than a pizza oven, and the Renesis in our RX-8 is certainly no exception, even in naturally aspirated form. Now that we’ve decided to add some ...