David L McCollum Distinguished Scientist Contact mccollumdl@ornl.gov All Publications Leverage demand-side policies for energy security Techno-economic analysis and network design for CO₂ conversion to jet fuels in the United States Modeling hydrogen markets: Energy system model development status and decarbonization scenario results... 2023 Southeast Decarbonization Workshop Research to Confront Climate Change Complexity: Intersectionality, Integration, and Innovative Governance Which “second-best” climate policies are best? Simulating cost-effective policy mixes for passenger vehicles Economy-wide evaluation of CO2 and air quality impacts of electrification in the United States Pandemic, War, and Global Energy Transitions Improving future travel demand projections: a pathway with an open science interdisciplinary approach How to design a zero-emissions vehicle mandate? Simulating impacts on sales, GHG emissions and cost-effectiveness using the AUtomaker-Consumer Model (AUM) Little room for new fossil fuel development if global temperatures are to stay below 1.5°C Key Links Curriculum Vitae ORCID Google Scholar ORCiD Scopus LinkedIn Organizations Energy Science and Technology Directorate Buildings and Transportation Science Division Vehicle and Mobility Systems Research Section Transportation Analytics and Decision Sciences Group User Facilities National Transportation Research Center Climate Change Science Institute