High Quality Content by WIKIPEDIA articles! BYD electric bus called K9 in China, is an all-electric bus model manufactured by BYD powered with its self-developed Iron-phosphate battery, being alleged as featuring the longest drive range of 250 km(155 miles) on one single charge under urban road condition. BYD electric bus was rolled off line on September 30, 2010 in Changsha city of Hunan province, China and received a 1000-unit order from the local government at the same time. This pure electric bus is another renewable energy vehicle masterpiece of BYD following its models like F3DM, F6DM and e6. The K9 has a 12-meter body length and 18-ton weight with one-step low-floor interior for passengers` comfort, reportedly priced at 2–3 million yuan (S$395,000-S$592,600). It has been running/tested in China and many other countries and regions such as Hong Kong, U.S., Colombia, Chile, Spain, Netherlands and Denmark. More than 200 BYD electric bus, in public transit service in Shenzhen China, have accumulated over 9,216,000 km (or 5,529,600 miles) by the end of August, 2012.