Quote:
Originally Posted by KJSatz
What impact does bump starting have on emissions?
One question I have (this was mentioned earlier, "PZEV" non-hybrids) is about a non-hybrid 2009 Camry I rented last weekend. It had the PZEV sticker on the window...how would that be, if the ICE never shuts off?
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"PZEV" was a cop-out. Because of the automakers' stonewalling on ZEV cars, CARB backed down and created a PZEV, or "Partial Zero-Emissions Vehicle" rating for cars with very low emissions. (I didn't know that there could be fractions of zero--maybe I'll get that in higher-division math classes?) Automakers could sell a certain number of PZEV vehicles to meet their ZEV mandate. PZEV was invented long before hybrids, so was never a hybrid vs. non-hybrid standard.
Incidentally, the reason the EV and CNG vehicles get to use the carpool lanes in CA, and none of the gasoline vehicles do, is because gasoline vehicles can never meet the evaporative emissions standards (ILEV) with the current fueling infrastructure. That kinda blows away the accuracy of a gasoline vehicle being considered "PZEV" in my book.