Ghosn believes that Honda will be "in the driver's seat" and any cost cutting measures will heavily impact the much weaker Nissan

Nissan will be the victim of cost-cutting “carnage” if it combines forces with Japanese peer Honda, former Nissan CEO Carlos Ghosn told CNBC on Tuesday.

Now, Ghosn is back in the public eye to weigh in on Nissan's potential merger with Honda, and he hasn't lost his fiery touch. That kicks off this Friday edition of Critical Materials, our morning roundup of auto industry and tech news.