ST. PAUL, MN (December 20, 2006)- Power Systems Research President and CEO George Zirnhelt will be an important participant in the 2007 Heavy Duty Manufacturers Association (HDMA) Heavy Duty Dialogue session. The HDMA event will take place January 22nd at the Mirage Hotel in Las Vegas, Nevada.

The HDMA Heavy Duty Dialogue is a forum for new ideas and new developments taking place in the heavy duty truck industry. This event will bring together industry strategists and planners. Zirnhelt will interview Ed Pence, Vice President Automotive, Cummins Engine Company in a session built around the theme of “Global Harmonization of the Commercial Vehicle Powerplant”. A variety of topics ranging from industry trends to future vehicle capacity will shape their discussion.

Further information about HDMA and this event can be found at www.hdma.org.

Power Systems Research is a global market research and consulting company specializing in the engine, original equipment, and components industries. Since the company was founded in 1976, Power Systems Research has been the authoritative source of market information and business intelligence to the power products and drivetrain industry. Power Systems Research is headquartered in St. Paul, Minnesota and provides market data and customized project work to the world's leading vehicle and equipment OEMs and component suppliers. The company has a global presence with operations in Detroit, Brussels and Tokyo. Further information is available at www.powersys.com.