Experienced technical leader in vehicle energy management, thermodynamics, energy and combustion and emissions. Broad expertise in energy conversion systems for vehicular applications including internal combustion engines, fuel cells and thermo-catalytic systems. Primary principal investigator at the Thomas E Murphy Engine Research Laboratory at University of Minnesota. Current research interests include:- In-use characterization of electrified vehicles using machine learning and data analytics- Air quality measurement and characterization of combustion-generated particles- Combustion of syngas generated by biomass gasification- Compact fuel reformation systems for engines and hydrogen refueling systems for fuel cell vehicles - Characterization of nanoparticles from alternative combustion modes in engines - Efficient and practical use of alternative fuels in diesel engines