China's small electric vehicles are gaining ground
19 April 2012 Last updated at 23:24 BST
Small electric vehicles are gaining popularity in China, despite their top speeds of only 30 km/h.
Thousands of the three wheelers are being sold at between $600 and $1500.
Users are not required to have a driving license as, according to current regulations, they are not classified as a car.
Eric Camara reports.