What are the alternative standards for niche Canadian products?
When less than 2,000 units of an handheld engine of a given model and model year are sold in Canada, the engine may conform to alternative standards described in section 10 of the Regulations instead of the exhaust emission standards set out in table 4 of section 90.103 of the CFR. These alternative standards are consistent with those available under the provisions for small volume engine families in the CFR. For a class III or IV engine of the model year 2007 or earlier, the exhaust emission standards are set out in Table 1 of section 90.103 of the CFR applicable to an engine of the same class. For a class III or IV engine of the model year 2008 or later, the HC+NOx exhaust emission standards are set out in paragraph 90.203(f) of the CFR for the applicable class of engine and the CO emissions must not be greater than 805 g/kW-hr. For a class V engine of the model year 2009 or earlier, the exhaust emission standards are set out in Table 1 of section 90.103 of the CFR applicable to an e
