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Old 12-23-2020, 09:43 AM   #7398
Martinjlm
Retired from GM
 
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Drives: 2017 Camaro Fifty SS Convertible
Join Date: Mar 2017
Location: Detroit
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Quote:
Originally Posted by snizzle View Post
Martin, why did GM dump Voltec? It seems it's the perfect stop gap. Was it complexity? I don't get it. I feel like it should have carried across the portfolio.
The short answer would be the cost and controls complexity of having two powertrains on the same vehicle doesn’t compare well to just doing a straight up BEV. As battery costs reduce through development, the cost of building a “Volt” would be higher than building a “Bolt” of similar form and functionality. So GM is focused on optimizing BEV and optimizing ICE, and staying out of the business of mixing the two (except C8).

The details are much more involved than that, but as a Readers Digest version, that’s pretty much it.

The electric motors and drive units developed for the Ultium system draw heavily from Voltec technology and learnings, so practically nothing is lost in the strategic shift.
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