1. Empirical Evaluation of the Stringency and Design of Renewable Portfolio Standards;Carley;Nature Energy,2018
2. 62. Johnson, E. B. , chair of the Committee on Science, Space, and Technology. Addressing the Issue of a Department of Energy Technical Analysis Being Suppressed, Modified, and Delayed by Headquarters Officials. Submitted to D. Brouillette, secretary of Energy. October 23, 2020.
3. 159. Volcovici, V. . “Trump Seeks to Ax Appalachia Economic Programs, Causing Worry in Coal Country.” Reuters, March 16, 2017. www.reuters.com/article/us-usa-trump-budget-appalachia-idUSKBN16N2VF.
4. 116. Minnesota Project. Lessons & Concepts for Advancing Community Wind. Report by R. Stockwell et al. (December 2009). https://d3n8a8pro7vhmx.cloudfront.net/windustry/legacy_url/1588/Advancing-Community-Wind_Dec09.pdf?1421783488.