Automotive Fleet

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Detroit Diesel

Spanning six months and with the participation of hundreds of technicians from the United States and Canada, Daimler Trucks North America LLC (DTNA) named Joe Speelman and Kyle Ballard the winners of its 2019 Technician Skills Competition.

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Test Drive: Detroit's 5-Liter Street Fighter

Even in an age of ‘rightsizing,’ many fleets have been reluctant to give a 4-cylinder engine a chance. Detroit’s new DD5 diesel is about to challenge that point of view.

Oil Viscosity: How Low Can You Go?

To meet expected greenhouse gas/fuel efficiency standards, oil companies and engine makers have been busy developing a new standard for engine oils that will provide a new type of lower-viscosity oil to improve engine efficiency.

Stay Ahead of Trouble on EGR Engines

While most of the early problems have been engineered out of the exhaust gas recirculation systems on today’s clean diesel engines, corroded coolers, stuck valves and other problems still plague owners of older equipment.

Dual-Fuel Gliders: A Way to Get Into Natural Gas for Less Money

Dual-fuel glider kits are a relatively new alternative for fleets looking to tap into the benefits of natural gas but at less cost than buying a new, dedicated NG vehicle. A glider is a new truck without some powertrain components. Shops in the field add rebuilt or remanufactured engines, transmissions and rear axles.

Class 8 Update: Economics Forge Change

Is trucking in for a transformation? Many believe that long-haul trucking will become less important as regional operations grow and intermodal takes over more long-haul freight, and that will change the type of heavy-duty tractor bought by many trucking companies.

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