models with CNG kits. Conversion centres, which also benefited from the rush for lower running costs, also perform partial conversions to existing road vehicles, allowing them to run on both petrol or diesel and CNG with a cost varying between RM3,500 to RM5,000 for passenger cars. Singapore There were about 400 CNG-fueled vehicles in Singapore in mid-2007, of which about 110 are taxis operated by Smart Automobile. By February 2008, the number has risen to 520 CNG vehicles, of which about half are taxis. All vehicles had to refuel at the sole CNG station operated by Sembcorp Gas and located on Jurong Island until the opening of the first publicly accessible CNG station at Mandai in 2008, operated by Smart Automobile. The company plans to build another four stations by 2011, by which time the company projects to operate 3,000 to 4,000 CNG taxis, and with 10,000 CNG public and commercial vehicles of other types on Singapore's roads. Sembcorp Gas opened its second CNG station a week after the Mandai station at Jalan Buroh. Indonesia CNG is almost unheard of as a transport fuel before 2010 in the archipelago except in Jakarta, where a very relatively minor number of vehicles, most notably Transjakarta buses, use the fuel. However, since 2010, the government has emphasised using CNG for vehicle fuel and domestic consumption over wood burning (which can produce deadly methanol) and kerosene. / East Asia China China had 450,000 NGV's and 870 refueling stations as of 2009. China in 2012 had 1 million NGVs on the roads, 3 million forecasts for 2015, and over 2000 stations (CNG and LPG), with plans for 12,000 by 2020. Currently, China leads the World with 5 million NGVs China also has a lot of vehicles running of Petrol blended with Methanol as M15 and M85. South Korea For the purpose of improving air quality in the metropolitan area of Seoul, CNG buses were first introduced in July 1997. By 2014, all Seoul buses were operating on CNG. Hyundai motor developed a CNG hybrid bus with 34.5% more-fuel efficiency and 30% lower pollution compared to CNG buses. As a result, the Seoul city government plans to change to CNG hybrid buses for 2,235 low-bed disabled-friendly CNG buses in Seoul. CNG buses are operating in other major South Korean cities like Busan, Daegu, Daejeon, Gwangju and Incheon. Motorsport A new category of motorcar racing unites teams