California Adopts EPA’s Glider Kit Loophole Rule for Trucks

A new California rule will allow only 2010 and later model year heavy-duty truck engines in glider kits.

The measure is part of broader rulemaking to align California’s greenhouse gas standards for medium- and heavy-duty trucks and trailers with the federal Phase 2 standards for 2018–2027 model year trucks.

Approved by the Environmental Protection Agency and the National Highway Traffic Safety Administration in 2016, the greenhouse gas and fuel efficiency standards marked the first-ever emissions standards for glider kits—which are new truck chassis and cabs that can house used engines and transmissions. The EPA is weighing removing glider ...