Administrative divisions of China By its political level, when a "city" is referred to, it can be a: By its actual area and population, it can be: When used in the statistical data, the word "city" may have three different meanings: It is important to specify the definition of "city" when referring to statistical data of Chinese cities, otherwise, confusion may arise. For example, Shanghai is the largest city in China by population in the urban area but is smaller than Chongqing by the population within the administration area. Before the establishment of the Qin Dynasty, China was ruled by a network of kings,
New energy vehicles in China energy vehicle sales since 2011, of which, 45.0% were sold in 2017, 29.3% in 2016, and 19.2% in 2015. , China had the world's largest fleet of light-duty plug-in electric vehicles with over 1.2 million units, after having overtook during 2016 both the U.S. and Europe in terms of cumulative sales. China has been the world's best-selling plug-in electric car market for three years running since 2015, with annual sales of more than 207,000 plug-in passenger cars in 2015; 320,000 in 2016; and record sales of about 600,000 passenger plug-in car sales in 2017, which accounted for about half of