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Who Should Administer Energy Efficiency Programs?. Berkeley: LBNL, 2003. LBNL-53597..
Who Owns Renewable Energy Certificates? An Exploration of Policy Options and Practice. Berkeley: LBNL, 2006. LBNL-59965..
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Where Did the Money Go? The Cost and Performance of the Largest Commercial Sector DSM Programs. Berkeley: LBNL, 1995. LBL-38201..
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"When the Party’s Over, Don’t Turn off the Lights! - Making Donor Funded S&L Programs Sustainable." 10th International Conference on Energy Efficiency in Domestic Appliances and Lighting (EEDAL’19) 2019..
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"What is an Effective Air Cleaning Device? A Review." Journal of Occupational and Environmental Hygiene 3.4 (2006) 169-181..
What Goes Up: Recent Trends in China’s Energy Consumption. Lawrence Berkeley National Laboratory, 2000. LBL-44283..
What Factors Affect the Prices of Low-Priced U.S. Solar PV Systems?. 2016. LBNL-1006193..
What China can learn from international policy experiences to improve industrial energy efficiency and reduce CO2 emissions?. 2016. LBNL-1006470..
"What China Can Learn from International Experiences in Developing a Demand Response Program." ECEEE Summer Study on Energy Efficiency in Industry 2012..
"What can history teach us?: A retrospective analysis of long-term energy forecasts for the U.S." Annual Reviews of Energy and the Environment 27 (2002) 83-118..
"Wet ethanol in HCCI engines with exhaust heat recovery to improve the energy balance of ethanol fuels." Applied Energy 98 (2012) 448-457..
Weighing the Costs and Benefits of State Renewables Portfolio Standards: A Comparative Analysis of State- Level Policy Impact Projections. Berkeley: LBNL, 2008. LBNL-61580..
"A wedge-based approach to estimating health co-benefits of climate change mitigation activities in the United States." Climatic Change 127.2 (2014) 199 - 210..