Drivetrain changes help fuel efficiency

Truck maker Volvo and Allison Transmissions are not the only transmission makers involved in dramatically changing the performance of Class 8 tractor drivetrains. Read Overdrive‘s Technical Editor John Baxter’s March feature to see what innovations are going on under the hood of the newest models available to command more on-highway efficiency.

To learn about Volvo’s “engine downspeeding” and other recently applied concepts in drivetrain design, read “Drivetrain revolution” on Overdriveonline.com.