Based on the panel data from 2007-2013 of 17 cities in Shandong Province, municipal energy efficiency is measured unconsidering the environmental effects and considering the environmental effects. It also explores factors affecting energy efficiency by Tobit mode. The conclusion is that the total energy efficiency in considering the environmental effects of Shandong Province is higher than that of in; unconsidering the environmental effects. The energy efficiency in two frameworks is very different for the 17 cities; Industrial structure and technological progress have negative effect on energ...