CHINA WATCH China is introducing a labelling system to help inform people how green their cars are.

As the State Environmental Protection Administration revealed a week or two ago, the first of the Motor Vehicle Emission Standards will come into effect as of this year, othes following in 2010.

According to People.com.cn, Guangzhou, the southern city in the Guangdong Province, has taken the lead to implement the standard and is already slapping eco labels on its vehicles.

China has become the third-largest automobile manufacturer. Official statistics show that transportation accounted for 16.3 percent of China’s total energy consumption in 2005.