California Legislature Considering Bill Requiring Smog Testing for Motorcycles
Green Car Congress
MAY 4, 2009
grams per kilometer (g/km) HC+NO x beginning with 2004 models and a Tier II standard of 0.8 On average, motorcycles sold in California by major manufacturers in 2004 achieved emissions of 0.92 g/km HC+NO x , compared to the 2004 Tier I standard of 1.4 g/km HC+NO x , compared to the 2004 Tier I standard of 1.4
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