86.206-11—Equipment required; overview.
This subpart contains procedures for exhaust emission tests on gasoline-fueled and petroleum-fueled diesel cycle (where applicable under part 600 of this chapter) light-duty vehicles and light-duty trucks. Equipment required and specifications are as follows:
(a) Exhaust emission tests.
Exhaust from gasoline-fueled and petroleum-fueled diesel cycle (where applicable under part 600 of this chapter) vehicles is tested for gaseous emissions using the Constant Volume Sampler (CVS) concept ( § 86.209 ). Equipment necessary and specifications appear in §§ 86.208 through 86.214.
(b) Fuel, analytical gas, and driving schedule specifications.
Fuel specifications for exhaust emission testing for gasoline-fueled and petroleum-fueled diesel cycle vehicles are specified in § 86.213. Analytical gases are specified in § 86.214. The EPA Urban Dynamometer Driving Schedule (UDDS) for use in gasoline-fueled emission tests is specified in § 86.115 and appendix I to this part.