About Us

David MerrionDavid F. Merrion is the retired Executive Vice-President-Engineering for Detroit Diesel Corporation and currently serves as a consultant to DDC. He was the Compliance Auditor for the Consent Decree DDC signed with EPA/CARB/DOJ in 1998. He is the Chairman of Truck Emission Control Technologies, Inc., on the Technical Advisory Board of Achates Power, Inc., on an Advisory Board to General Electric and is an expert witness.

He started his career at Detroit Diesel Engine Division of General Motors in 1954 as a General Motors Institute cooperative student. He graduated from GMI with a bachelors in mechanical engineering following completion of a bachelors/master program at Massachusetts Institute of Technology where he was granted a masters degree in mechanical engineering in 1959.

Following graduation he had assignments in Product Engineering, Research & Advanced Development, and Application Engineering. In 1980 he became Director, Product Engineering for Detroit Diesel when the Series 60 engine design was started. Subsequently he became Director, Diesel Engine Sales and became General Director – Engineering for Detroit Diesel Allison Division in 1983. In 1988 assumed his Vice President position with Detroit Diesel Corporation.

He is a SAE fellow, a member of ASME. He has been the SAE Buckendale Lecturer and in 2002 was honored as the ASME Soichiro Honda Lecturer. He is the past president of the Engine Manufacturers Association, past member of the U.S. Federal Fleet Conversion Task Force, the U.S. Alternative-Fuels Council, and the U.S. EPA Mobile Source Technical Advisory Council.

In 2002 he participated in the National Academy of Science (NAS) review of the Partnership for a New Generation of Vehicles (PGNV) research program. In 2006 he was awarded a patent for a diesel electric hybrid engine / vehicle. In 2007 he served on the NAS committee reviewing the DOE 21st Century Truck Partnership. In 2008 he was appointed to the NAS committee for “Assessment of Fuel Economy Technologies for Medium and Heavy Vehicles”. In 2009 he received the ASME Soichiro Honda Medal for his contribution to the diesel engine industry. In 2010 he was appointed to the NAS Committee for the Phase 2 review of the DOE 21st Century Truck Partnership Program. In 2011 he was appointed to the NAS for “Assessment of Technologies for Improving Fuel Economy of Light-Duty Vehicles-Phase 2. In 2012 he received the SAE Powertrain Innovation Award.