Two new online courses for diesel engines and drivetrains are now being offered by Delmar, part of Cengage Learning. The courses are part of Delmar's Professional Truck Technician Training Series.

The diesel engine course covers tool and equipment safety, engine fundamentals and operation, induction and exhaust systems, diesel fuel and fuel subsystems, as well as a variety of other topics. The drivetrain course covers general shop safety, clutch function and components, and more.