The federal Drug and Alcohol Clearinghouse is finally rolling out in January 2020. This electronic database that will track commercial driver’s license holders who have tested positive for prohibited...

Marijuana use among truck drivers has been on the rise for several years as more states legalize the drug in various forms, analysts contend, and data from the Federal...

CARB’s first-in-the-nation clean-truck rule will require fleets to increasingly purchase Class 2 through 8 zero-emission vehicles over the next 25 years. California estimates that 2 million diesel trucks cause...