Have you rented a public bike today? Hangzhou Bus Group, is the organization that operates the Hangzhou public bicycle transportation system. 85 citizens have used the public bicycles over 600 times in the past year. They won't have to pay the 200-yuan deposit to use the bikes The public bicycle system has been running since May 2008. It is cheap and convenient. There are more than 1,6 00 public bicyle rental stations throughout the city. with more than 40,000 bicycles for citizens and visitors. To use the bikes, people will need to buy a stored value card at 20 Houxiang Qiao. They need to be older than 12 years old and need to show proper ID. The card should have 300 RMB on it. 200 of which is a deposit and the remaining 100 for rental fees. The bike is free for the first hour but costs 1 RMB an hour for the second hour, 2 RMB an hour for the third hour, and 3 RMB an hour after that. The public bicycles are used an average of 100,000 times a day, with historical one-day high of 300, 000. If a rented bike travels an average distance of 2 kilometers, 7, 500 tons of oil would be saved and CO2 emission would bere duced by 23, 897 tons in a year.