GMC Hummer EVs at General Motors’ Factory ZERO plant in Detroit on Nov. 17, 2021. Nic Antaya/Getty ImagesGeneral Motors has not yet seen a major shift in sales as the ongoing war in Iran drives gas prices up, according to Paul Jacobson, the automaker’s finance chief.Speaking on March 18 at Bank of America’s Global Automotive Summit, Jacobson said it typically takes several months of persistently high oil prices before consumers begin moving toward smaller or more fuel-efficient vehicles.





