David F. Merrion is the retired Executive Vice President for Engineering, Detroit Diesel Corporation, now a subsidary of Daimler Trucks North America. He is an Expert Witness regarding Diesel Engines, Diesel Emissions, and Diesel Engine Components such as fuel injection systems, turbochargers, and diesel emission after-treatment systems.
Mr. Merrion is also an expert in diesel engine applications such as trucks, buses, marine, gen sets, mining, construction etc.
He has represented General Motors, Detroit Diesel Corp., Tognum/MTU, Navistar, and others. He has done over 20 depositions & has been to jury trial once.
Mr. Merrion has a MSME from MIT, is an SAE Fellow, received the ASME Honda Medal, and has been on five National Academy of Science Committees.
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The diesel engine industry that manufacturers engines for medium and heavy duty trucks, had to develop new technology for 2004, 2007 and 2010 to meet EPA exhaust emission standards.