The following provides links to regulations, articles and other documents related to emissions regulations:

White Papers
  • Tier 4 Engine Emission Symbols. This white paper describes the findings of an industry-wide group, convened by AEM to provide common symbols for customers and end-users so that regardless of the OEM machine, the customer will interface with consistent symbols. March 12, 2012.
  • EPA Tier 4 Flexibility Regulations Summary. The Tier 4 Flexibility Regulations Summary is intended to provide a brief summary and road map to utilizing the flexibility provisions of the EPA legislation. December 27, 2007.   Members only.
  • Equipment Manufacturer Flexibility. The intent of this document is to highlight the necessary basic information to understand equipment manufacturer flexibility, responsibilities and limitations. December 27, 2007.   Members only.