China's biggest city of Shanghai has converted its gasoline-powered trolley buses on the Nanjing Road into battery-powered vehicles as part of the efforts to reduce emissions.The trolley bus, nicknamed "Clang, Clang", has been installed with 24 batteries that will enable it to run for about 60 kilometers or sustain it for a day's operation.


Now all the six old trolley buses have been converted into battery-powered vehicles, emitting no tail gases. The conversion of the rest two will be completed by October 1, according to the trolley bus management company.All the old gasoline powered trolley buses used to emit tail gases far beyond the prescribed standards, according to the environmental monitoring staff members.The conversion of each trolley bus cost about 150,000 yuan, well worth in terms of social and economic effect, the trolley bus management company said.

All the storage batteries are recharged at night at half o the normal price, according to the operator.