GM trolls Tesla, changes approach with new ‘supertruck’

PHOENIX – The new electric GMC Hummer pickup is different for General Motors and not just because it isn’t a gas-guzzler like its ancestors. It marks a major shift for the historically conservative Detroit automaker in both form and function, according to those who worked on it.

The “highly profitable” vehicle is the flagship for GM’s new Ultium EV technologies and is the new benchmark for the Detroit automaker in terms of development time. There also are other notable features inside the vehicle that insiders say are testaments to GM changing as a company to better compete against Tesla and newer EV start-ups.

Such features include a subtle…