['Air Programs']
['Mobile Emission Sources']
12/22/2025
...
(a) Ambient temperature levels encountered by the test vehicle throughout the test sequence shall not be less than 20°C (68°F) nor more than 30°C (86°F). The vehicle shall be approximately level during the emission test to prevent abnormal fuel distribution.
(b) [Reserved]
['Air Programs']
['Mobile Emission Sources']
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