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by nottorp
1278 days ago
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Costs. Complexity. You have a large battery, a gasoline engine with a transmission and 2+ electric engines in a PHEV. And they all need maintenance in the long run. This will be hopefully mitigated when all PHEVs only run the gas engine as a generator and get rid of the transmission, but I don't think we're there yet. |
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If it's cheaper then they'll do it.
More generally, you can remove a chunk of the transmission in a hybrid and use a simpler engine even if it's not a generator. The complexity isn't a big deal. And the moderate cost gets offset by significant fuel savings.