I drove 1800 miles in a Hydrogen Car

According to the diagram, that car had a lot of parts. We saw the front was jammed and the middle and back had sizeable parts. One of the advantages Teslas and Pengs and serious competitors is containing far fewer parts. ICE vehicles contain roughly 15,000 parts. Tesla, et al about 1500. Another related issue is space for things like groceries, luggage, etc.

If hydrogen is a viable option (I hope it is) what other companies are investing? China is going big in battery EVs. They're in Europe and about to become a major player if the European automakers don't respond.