GM patent: Dual charge ports could allow electric trucks a lot of energy flexibility

General Motors recently filed a patent application for a dual charge port setup that could help get the most out of Ultium battery system in the automaker’s electric pickup trucks. GM has developed a double-layer battery pack that’s already being used in the GMC Hummer EV, and is slated for the forthcoming Chevrolet Silverado EV and GMC Sierra EV…