The purpose of these Regulations is to:

  1. reduce emissions of hydrocarbons, oxides of nitrogen, particulate matter and carbon monoxide from engines by establishing emission limits for those substances or combinations of those substances;
  2. reduce emissions of the toxic substances formaldehyde, 1,3 butadiene, acetaldehyde, acrolein and benzene through the establishment of emission limits for hydrocarbons from engines; and
  3. establish emission standards and test procedures for engines that are aligned with those of the EPA.

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