When I was less well informed, HFCEVs sounded like a good idea to me.  
However, the more I learned about their relatively low efficiency, and the 
atrocious efficiency of hydrolysis, the less practical they looked.

It's possible that with heroic development efforts, SOME of the inefficiency 
can be overcome.  But that would be a huge and costly effort, and it's hard 
to imagine the short-term-focused auto world financing it.  

Let's face it, the main reason we've progressed as quickly in BEVs is that 
one very wealthy and charismatic (if quirky) business person decided to body-
slam auto industry orthodoxy.  Show me the Elon Musk of HFCEVs and we'll 
talk.

IMO there's a more important reason to let HFCEVs coast down for now.  For 
BEVs and HFCEVs to coexist, two differeent and costly new fueling networks 
would have to be built on top of the ICEV fueling network -- charging points 
and H2 filling stations.  

It seems as if we've finallly started to make some progress on BEV charging 
points, though the lack of complete interoperability among them is to me a 
serious concern.  (Imagine the waste, if in the early 20th century, Ford had 
built all their own filling stations that could only fill Fords!) 

To take momentum and funding away from charging network expansion to build 
more H2 filling stations would probably hobble the BEV charging expansion.  
But maybe that's the idea.

David Roden - Akron, Ohio, USA
EVDL Administrator

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