一、防止大气污染的有效措施 最近,电动车和甲醇汽车等低公害车作为有效防止大城市二氧化氮的排烟等的大气污染以及国际上因二氧化碳导致全球气候变暖的手段而引人注目。 美国的加利福尼亚州在1990年秋季采 I. Effective Measures to Prevent Air Pollution Recently, low-pollution vehicles such as electric vehicles and methanol vehicles have drawn attention as air pollution that effectively prevents exhaust emissions of nitrogen dioxide in metropolitan cities and internationally because of the global warming caused by carbon dioxide . The United States of California mining in the fall of 1990