Study on tax policy of energy conservation and emission reduction Dynamic mechanism of energy conservation and emission reduction Reform of electricity and energy conservation and emission reduction 并列题名：Dynamic mechanism of energy conservation and emission reduction Research on fiscal and tax policies for energy conservation and emission reduction 并列题名：Research on fiscal and tax policies for energy conservation and emission reduction 并列题名：Reform of electricity and energy conservation and emission reduction Innovative practice energy conservation emission reduction Strategic studies on energy conservation and emission reduction in China 并列题名：Strategic studies on energy conservation and emission reduction in China