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Old 05-09-2019, 06:18 AM   #5784 (permalink)
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Red Devil - '11 Honda Insight Elegance
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Originally Posted by aerohead View Post
I've never seen a hydrogen fuel cell vehicle up close and personal,but it could be,that all available space in the vehicle is already taken up with the fuel cell apparatus,leaving nothing left for even a modest battery pack.
FCVs have large fuel cells and radiators and a small battery. They need large fuel cells to produce enough energy to climb a hill, which would deplete that battery. They need large radiators because fuel cells are notoriously heat sensitive.

A plugin FCV could have much smaller fuel cells, a smaller hydrogen tank (size matters a lot in pressurized vessel costs) and 'normal' sized radiators. That alone would free up enough space for quite some extra battery storage. And electricity will always be cheaper than hydrogen.
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