Josh A Pihl Group Leader - Applied Catalysis and Emissions Research Contact pihlja@ornl.gov | 865.341.1524 All Publications Direct Measurement of Ammonia Storage on Passive SCR Systems for Lean Gasoline NOx Reduction Using Radio Frequency Sensing... Co-optimization of heavy-duty fuels and engines: Cost benefit analysis and implications... Reactivity of novel high-performance fuels on commercial three-way catalysts for control of emissions from spark-ignition eng... Passive SCR Performance Under Pseudo-Transient Cycle: Challenges and Opportunities for Meeting Tier 3 Emissions... Engine-Aftertreatment in Closed-Loop Modeling for Heavy Duty Truck Emissions Control High Load Expansion of Catalytic EGR-Loop Reforming under Stoichiometric Conditions for Increased Efficiency in Spark Ignitio... Aftertreatment Protocols for Catalyst Characterization and Performance Evaluation: Low-Temperature Oxidation, Storage, Three-... Effects of four-mode hydrothermal aging on three-way catalysts for passive selective catalytic reduction to control emissions... 2017 DOE-Crosscut Lean/Low-Temperature Exhaust Emissions Reduction Simulation (CLEERS) Workshop... Reduction of Stored NOx with CO/H2 and Hydrocarbons: A Spatial Resolution Analysis... New operando method for quantifying the relative half-cycle rates of the NO SCR redox cycle over Cu-exchanged zeolites... Development of a Cold Start Fuel Penalty Metric for Evaluating the Impact of Fuel Composition Changes on SI Engine Emissions ... Effects of NOX Storage Component on Ammonia Formation in TWC for Passive SCR NOX Control in Lean Gasoline Engines... Catalytic Steam and Partial Oxidation Reforming of Liquid Fuels for Application in Improving the Efficiency of Internal Combu... Catalytic Exhaust Gas Recirculation-Loop Reforming for High Efficiency in a Stoichiometric Spark-Ignited Engine through Thermochemical Recuperation and Dilution Limit Extension, Part 2: Engine Performance Catalytic Exhaust Gas Recirculation-Loop Reforming for High Efficiency in a Stoichiometric Spark-Ignited Engine through Therm... Catalytic Exhaust Gas Recirculation-Loop Reforming for High Efficiency in a Stoichiometric Spark-Ignited Engine through Therm... Response Characteristics of a Stable Mixed Potential Ammonia Sensor in Simulated Diesel Exhaust... Response Characteristics of Stable Mixed-Potential NH3 Sensors in Diesel Engine Exhaust... NOx conversion over Ag/alumina catalysts via EtOH-SCR using EtOH/gasoline blends... New Mechanistic Insights in the NH3-SCR Reactions at Low Temperature... Passive SCR for lean gasoline NOX control: engine-based strategies to minimize fuel penalty associated with catalytic NH3 gen... Ammonia Generation and Utilization in a Passive SCR (TWC+SCR) System on Lean Gasoline Engine... Ammonia Generation and Utilization in a Passive SCR (TWC+SCR) System on Lean Gasoline Engine... The Selective Catalytic Reduction of NOx Over Ag/Al2O3 with Isobutanol as the Reductant... Pagination First page « First Previous page ‹‹ Page 1 Current page 2 Page 3 … Next page ›› Last page Last » Key Links ORCID Organizations Energy Science and Technology Directorate Buildings and Transportation Science Division Propulsion Science Section Applied Catalysis and Emissions Controls Research Group User Facilities National Transportation Research Center