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Originally Posted by redpoint5
Do gassers suffer unburnt fuel causing particulate pollution? I thought that was only a problem for diesels.
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It used to be mostly a Diesel issue, until direct injection became widespread on gassers too...
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I wonder if there's a way to utilize the electric portion of a hybrid drive-train to keep super efficient engine designs in their regulation compliant pollution zones? For instance if it's heavy loads that cause it to fall out of compliance, just eliminate heavy loads and compensate with electricity for the short duration of accelerating or climbing a hill.
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Not sure if that would be so easy with a parallel hybrid, but that's the point for serial hybrids.