Beijing city buses align on EU highest environmental standards

The first 100 city buses with Euro 5 emission standards, purchased by Beijing Transport Company, were launched on 3 January 2011. The first bus lines with Euro 5 buses in China were deployed to three suburbs bus lines. These buses emit 43% lower nitric oxide compared to traditional diesel engine buses.

Beijing Public Transport Group has raised emission standards for city buses in 1999, 2002, 2006 and 2010. At least 30% - 50% of pollutants were reduced each time. Currently, 45% of city buses running in Beijing are above the Euro 4 standard, comparable to most developed countries.