Every color trend has an underlying message if you know where to look, but none shouts “bow down” quite like purple. If it needed a tagline, it would be “Let them eat cake”—that famously ...

Calumet will retain, and continue to grow, the consumer portion of the Royal Purple business and the Royal Purple production facility in Porter, TX. The transaction of Royal Purple's high ...

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 ...

Indianapolis-based Calumet Inc. is planning to sell the industrial portion of its Royal Purple business to Lubrication Engineers Inc. in Wichita, Kansas, the company announced Monday. The deal is ...

Illustration by Aurélia Fronty Q: I’ve heard that purple was called the royal color because purple dye used to be scarce. Why didn’t people just combine blue and red? Dan Warnock | Baker ...

I tested the Royal seat cushion. At $99, it falls somewhere in the middle of the Purple seat cushion price range (which starts at $55 for the foldaway cushion and goes up to $149 for the "Ultimate ...