- Copenhagen’s District Heating System – Recycling Waste Heat Reduces Carbon Emissions and Delivers Energy Security, Thornton, 2010
- Combined Heat and Power (CHP): Essential for a Cost Effective Clean Energy Standard, Thornton, 2011
- Analysis of Impacts of a Clean Energy Standard, as requested by Chairman Bingaman, U.S. Department of Energy, Energy Information Administration, Washington, DC, Nov. 2011. This report addresses an August 2011 request to the U.S. Energy Information Administration (EIA) from Senator Jeff Bingaman, Chairman of the U.S. Senate Committee on Energy and Natural Resources, for an analysis of the impacts of a Clean Energy Standard (CES). The request, outlined in the initial letter and later amended (Appendix A), sets out specific assumptions and scenarios for the study.