Emissions Services

New Regulations Affecting Emissions

AIR is frequently involved in examining the effects of regulations that are proposed by government agencies such as the EPA and the state governments. The following is a list of services generally performed:

  • Analysis of the proposing agency’s emission benefits and cost-effectiveness justifications
  • Analyses of alternatives to the proposed rule that are lower cost or easier to implement. These analyses typically use the same techniques and analytical tools that the proposing Agency uses
  • Preparation of written and oral comments on the proposed rule for consideration by the proposing organization
  • Preparation of customized compliance plans after the regulation is adopted

AIR has performed analyses for the following regulatory programs:


  • Tier 2/Gasoline Sulfur Rule
  • 2004 Heavy-duty Standards
  • 2007 Proposed Heavy-duty standards

California Air Resources Board

  • Phase 2 Reformulated Gasoline (1996)
  • Phase 3 Reformulated Gasoline (1999)
  • Low Emission Vehicle II Standards (1999)
  • 1996 Medium-Duty Truck Rule
  • ZEV Mandate (1996, 1998 and 2000)
  • 1998 Small Spark Ignited Engine Rule
  • 1999 Large Spark Ignited Engine Rule

Texas and the Northeast States

  • Opting into the California Low Emission Vehicle Standards

Examples of the work that AIR does are found in the following:

  • Review and Commentary on EPA’s Mobile Source Toxics Analysis (April, 2000)
  • Emission Benefits of Electric Vehicles in New York State (August, 1998)
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