Next-generation low-viscosity oils will boost fuel economy, but durability could suffer.
Synthetic lubricants offer long-term cost benefits and better performance in extreme temperatures.
Specialists weigh in on cold starts, wear protection and other oil viscosity matters.
Overdrive's Most Beautiful contest is back for a second year. Submit yourself or a female truck driver you know! The first-place winner will win a trip to The Great American Trucking Show in August and will be featured in a story in Overdrive. Submissions accepted through March 20.
Sign up to get Overdrive's daily newsletter.