Two local environment standards for medium and heavy vehicles, DHJB2—1999, Exhaust Pollutants E-mission Standards for Vehicle-used Gasoline Engines, DHJB3—1999, Exhaust Pollutants Emission Standards for Vehicle-used...Two local environment standards for medium and heavy vehicles, DHJB2—1999, Exhaust Pollutants E-mission Standards for Vehicle-used Gasoline Engines, DHJB3—1999, Exhaust Pollutants Emission Standards for Vehicle-used Diesel Engines, were newly issued by Environment Protection Agency of Beijing Municipali-ty. They will be enforced from Jan. 1, 2000.展开更多
文摘Two local environment standards for medium and heavy vehicles, DHJB2—1999, Exhaust Pollutants E-mission Standards for Vehicle-used Gasoline Engines, DHJB3—1999, Exhaust Pollutants Emission Standards for Vehicle-used Diesel Engines, were newly issued by Environment Protection Agency of Beijing Municipali-ty. They will be enforced from Jan. 1, 2000.