The following are some links to research organizations, portals, or sites I have found useful.

Research Organizations

Natural Resources Canada Diesel Emissions Laboratory
Deep Mining Research Consortium
Diesel Emissions Evaluation Program
University of Minnesota Centre for Diesel Research

Diesel Portals
US Environmental Protection Agency - Office of Transportation Air Quality
California Air Resources Board
US Mine Safety and Health Administration

Corporate Sites

DCL International
Ricardo Consulting Engineers
Kistler International
McGinn Integration Inc.

© Brent Rubeli, 2005