The global situation should be insufficient, otherwise will anyone use gasoline and diesel? Electricity is environmentally friendly and inexhaustible. In China's words, it should be said that it is unbalanced. The country's power transmission from the west to the east is a proof. Some cities in Guangdong sometimes hear that they want to limit electricity. Compared with the power resources in the west and southwest, Yunnan or Guangxi is said to be still exporting.