CONTENTS / APRIL 2021 p. 12 A blend of old- and new-school procedures P. 21 Equipment Class 8 engine rightsizing and the impact on maintenance and longevity How fleets can choose engines that will provide the best balance of safety, performance, efficiency, and durability. p. 18 » O N T H E CO V E R In The Bay Gremlins and ghosts: How to combat electrical issues on modern trucks New technology on trucks is creating new challenges for proper electrical system maintenance. Here's how to stay ahead of the curve. p. 24 Accounting for displacement P.12 Shop Operations With the right policies, procedures, and training in place, fleets can lessen the inherent risks of operating a maintenance facility - without having to compromise efficiency. SPRINGFIELD RESOURCES 35 Economic Outlook Monitoring economic recovery progress By Robert Dieli SPOTLIGHT ON... MCKAY & COMPANY p. 30 42 Guest Editorial Drivetrain Diesel fuel additive considerations By Henning Hoeft Avoiding turbocharger trouble Completing regular preventive engine maintenance can prolong the life of turbochargers. » Overcoming turbo lag Body & Cab Tips to get more mileage out of trailer technologies Diligent maintenance practices help fleets reap the benefits of cutting-edge sensors and lighting systems. 34 Management 10 steps to assess the parts storeroom By Joel Levitt Staying safe in the shop p. 32 VIEWS FROM THE EXPERTS EXXONMOBIL Want to contribute? Contact us at editor@FleetMaintenance.com Hazardous materials P. 28 On the cover: Photo by Ivan-balvan |1211849855 | Getty Images D E PA R T M E N T S FROM THE EDITORS 8 Uptime What's the difference between a technician and a mechanic? 10 Editor's Note Creating a new normal 36 Fleet Parts & Components What's new in products for more efficient fleet operation. 38 Tools & Equipment A roundup of the latest tool and equipment offerings. 41 Classifieds 4 Fleet Maintenance | April 2021