Soot and Spin: Two Plug-in Paradoxes
Plugs and Cars
OCTOBER 27, 2007
Paradox 1 - Soot: There's an apparent emissions paradox with plug-in hybrids (PHEV): Driving longer distances on battery power means more cold starts as the internal combustion engine (ICE) stops and starts up again after the batteries deplete. Cold starts mean more pollution. What is possible? What is preferable?
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