Mack Trucks has built a mobile off-grid charging system that will be integrated into the body of a Mack MD Electric truck. This system will help introduce companies to mobile off-grid charging systems. This mobile Mack MD Electric charging unit can be used for a limited time by those who want to test the technology and by dealers when facilitating electric vehicle demos. Mack announced this mobile off-grid charging system at the American Trucking Associations Technology and Maintenance Council A...