Electric bicycles
China is the world's leading producer of electric bicycles. According to the data of the China Bicycle Association, a government-chartered industry group, in 2004 China's manufacturers sold 7.5 million electric bicycles nationwide, which was almost twice 2003 sales; domestic sales reached 10 million in 2005, and 16 to 18 million in 2006. By 2007, electric bicycles were thought to make up 10 to 20 percent of all two-wheeled vehicles on the streets of many major cities. A typical unit requires 8 hours to charge the battery, which provides the range of 25–30 miles (40–50 km), at the speed of around 20 km/h (12 mph), however people usually illegal override, makes it just like normal motorcycles, capable of reach nearly 100 km/h (62 mph). A large number of such vehicles is exported from China as well (3 million units, worth 40 billion yuan ($5.8 billion), in 2006 alone),