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          Batteries still drag 'green vehicle' effort
          

          By Gong Zhengzheng | China Daily | Updated:  2010-11-15 07:54
 



          



          

          

          

          


          


          Batteries still drag 'green vehicle' effort
          


          Electric vehicles are most commonly seen in public transport today. A recent study by JD Power envisions worldwide sales of 5.2 million hybrid and battery electric vehicles in 2020. Ren Weihong / for China Daily
          
          		

          
          

          

          

          


          After 100 years, efficient power storage remains hurdle for electric cars
          


          

          Batteries still drag 'green vehicle' effort
          

          

          


          


          


          
 
 



          


          

          



          


          

          

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