Energy efficiency improvement is key to achieving energy conservation. Based on China's microdata from 2000 to 2010, this study systematically analyzes the impact of carbon reduction policies on energy efficiency through propensity score matching and the difference-in-differences method. The...

Utility-scale solar energy (USSE) and rooftop solar PV generate about 70% and 30% of all solar electricity. While the adoption of rooftop solar in the United States (U.S.) has been explored in depth, how USSE is spatially distributed has yet to be discussed. This study examines the spatial...