Jiangsu province took the lead in carrying out the pilot work of port electricity◆ xi 'an, shaanxi province promotes the prevention and control of air pollution◆ changchun city, jilin province, five measures to eliminate the yellow standard car◆ xinyu city of jiangxi province took the lead in starting the renovation of coal-fired boilers in the whole province◆ sichuan province announces half-year reward and punishment bill for treating gas