It all started with a question about ash production and its effects on diesel particulate filters. That sent Chevron engineers to the drawing board for a new oil.
Hot Stuff & Cool Services for December 2019 features “smart” coffee mugs, a 25-in-1 tool that fits on a keychain, and relief from check engine light panic.
John Bendel is Land Line’s contributing editor-at-large. A former trucker, former editor at National Lampoon and two trucking magazines, John is an author, photographer, and freelancer. His work has appeared in the New York Times, The Washington Post, and many U.S. newspapers.
