This paper estimates the linkages among total Sulphur dioxide (SO2) emissions, total GDP and energy efficiency using China's provincial panel data from 2002 to 2015. We investigate total emissions rather than per capita emissions or ambient concentrations, since it is total emissions that the...

Problem definition. In the US auto market, the California Air Resources Board (CARB) implements a stricter fuel economy standard in California than the federal standard implemented by the US Environmental Protection Agency (EPA). The Trump administration’s 2018 announcement to freeze the EPA...