General Motors has made sure to shout the upcoming Hummer EV’s performance specs from on high—1,000 horsepower this, three-second zero-to-60 that—but what about towing? Nobody’s going to buy a battery ...

General Motors is drumming up the drama ahead of the release of the revived Hummer electric "supertruck." On Tuesday, a trailer for an hour-long documentary about the conception and production of the ...