
fuel economy













EPA adds day cabs to SmartWay program
TORRANCE, Calif. -- The U.S. Environmental Protection Agency is making some changes to its SmartWay program that offers information on verified fuel-efficient technologies. Day cabs are now eligible for the SmartWay designation, and research into fuel-efficient retreads will result in changes to how those products are classified.

Breaking 11 mpg on an ‘Epiq’ test drive
SCOTTSDALE, Ariz. -- It's easy to get excited and stay excited about fuel economy when you can see positive change coming from your efforts. When I saw the numbers creeping up into the 10s on a recent test drive in a Peterbilt 579 EPIQ, I started pushing for 11. And it worked.