NACFE’s new Messy Middle Powertrain Service & Maintenance report says keeping modern diesel engines running now depends as ...

Diesel engines are known for their reliability, but that's only if proper routine maintenance is provided to the drivetrain ...

Aerodynamic wheel covers can deliver small but meaningful fuel-economy gains for fleets, and Deflecktor says its latest design aims to make the technology easier and more affordable to deploy.

Heavy-duty trucks and industrial vehicles depend on more than just diesel fuel and horsepower — the brains behind their brawn often lie in diagnostic software, and Cummins INSITE is one such tool.

Diesel specialists warn that relying on symptom-masking repairs can turn small issues into severe engine damage and higher costs. They recommend thorough diagnostics using modern tools, telematics, ...