The Automotive Service Association (ASA) reports that on July 18, the U.S. House of Representatives approved H.R. 806, the Ozone Standards Implementation Act of 2017. If enacted, the bill would phase in implementation of the 2008 and 2015 ozone standards, extending to 2025 the date for final designations under the 2015 standards.
Ozone is a 
contributor to smog and can be produced by vehicle exhaust, power plants and by industry.
The bill would also align permitting requirements under the phased implementation schedule. Furthermore, it would change the mandatory review of the National Ambient Air Quality Standards from five to 10
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