This is what the Tesla Semi will be competing against in the Class 8 heavy-duty EV truck market. First there is Peterbilt 579EV and the Kenworth T680E from PACCAR Both use the Meritor Blue Horizon 14Xe tandem electric powertrain with regenerative braking. Meritor uses UQM motors that are integrated in the powertrain and has a two-speed gearbox. The Kenworth T680E is equipped with 536 hp continuous power and up to 670 hp peak power and 1,623 lb-ft of torque. Meritor’s high/low voltage power electronics – provided by TransPower – are under the hood in the place of a diesel engine. Meritor uses a Nickel Manganese Cobalt battery pack. DC Fast charging 3.5 hours In 2018 the Peterbilt 579 electric conversion was powered by TransPower. TransPower was acquired by Meritor in January 2020. The range of both Peterbilt 579E and Kenworth T680E are 150 miles. Next is the Lion8 from Lion Electric from Canada. Maximum Power 536 kW(718 HP) Maximum Torque 5,300 ft-lb Range 210 miles Battery Capacity 588 kWh Direct drive. Charge time Level III 3-7 hours No mention of regenerative brakes on website but does in a press release.