A gas station attendant fuels a customer’s car at PetroChina’s Yizhuang gas station, which uses a solar power system, in Beijing on Friday. The gas station, equipped with a total of 804 solar panels, can produce an average of 375 kW electricity per day and the electricity is used for the operation of the gas station. The gas stand is the only filling station installing its own solar energy system in China, the company said.SD-Agencies