Another five standards are being drafted by the National Energy Administration along with the electric grid companies and oil enterprises, the main players in the electric automobile recharging business, according to the Shanghai Security News.

China launched a pilot program in June to offer subsidies for electric car buyers and financing for charging infrastructure construction in five cities, including Shanghai, and Shenzhen.

The purchase of plug-in hybrid electric vehicles will receive a subsidy of 50,000 yuan ($7,352.94), and 60,000 yuan ($8,823.53) for pure electric vehicle buyers. The Ministry of Finance said it would fund charging stations in these pilot cities, but offered no more details.

China has chosen electric vehicle to boost the green car industry, and will pay as much as 100 billion yuan ($14.71 billion) to finance electric car development, according to the new energy automobiles development plan exposure draft released in early August by the National Development and Reform Commission. The plan states that 5 million new energy vehicles would be sold by 2020 in China, the world's largest auto market.

State Grid plans to build 75 recharging stations this year and has pledged to increase the electric recharging station density to be on par with gas stations. The State-owned firm controls over 80 percent of China's power transmission assets, and its territory covers about 90 percent of China's total land.

The other State-owned grid company, China Southern Power Grid, which dominates five southern provinces, has built three recharging stations in Shenzhen, Guangdong Prov-ince. Sinopec, PetroChina and China National Offshore Oil Corporation have also stepped into the business by adding recharging devices to their gas stations.