The period of heating supply is in advance this year. Because of this Beijing department of environmental protection will add forces for air pollution treatment. Starting from today the checked boiler emitting sulfur dioxide beyond the standard will be fined for RMB100,000. It aims for guaranteeing the air quality of this year to have 55% of days at grade II and better than grade II. Up to now Beijing has more 33 days for reaching the air quality standard. There are four difficulties to block Beijing to reach the air quality standard. But the management of pollutant emission chimneys is the crux...