0.3 grams per mile. That's how much off the mark, in terms of CO emissions, the 2011 Chevy Volt was from being classified as an SULEV as it rolls today, however, the 2011 Chevy Volt is a ULEV (ultra low emissions vehicle), ranking worse than the current Toyota Prius, Volkswagen Jetta TDI and even the Honda Accord Sedan I4 (PZEV according to CARB). All of these vehicles release less than or equal to 1 gram of CO/mile while the Chevy Volt spits out 1.3 g/mile

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2011 Chevy Volt Classified As ULEV by CARB, Emits More CO Than Prius, Ineligible For Carpool Stickers

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