Even with rapid EV growth, roughly 94% of new vehicles sold in the U.S. last year had a gas tank in the back and a combustion engine up front. This is the EV Decade, but the market is a long way from becoming an EV market.
Yes the Grand Cherokee 3.6 is built at trenton engine in Michigan and has the PS head that is called the classic head. The JT head built in Mexico has the new head called the PSU.