We have a number of authorities to regulate air emissions. First of all, many air pollutants are on the list of toxic substances, so we have authority under part 5 of CEPA to use the full set of CEPA tools—regulations, P2 planning notices, guidelines, codes of practice, and tradeable instruments—to regulate or otherwise control emissions of air pollutants that are considered to be toxic substances. In addition, we have authority under part 7 to regulate emissions to the air from vehicles, engines, and fuels. We have exercised authorities under all of those parts.
On October 6th, 2016. See this statement in context.