<p>Ho Chi Minh City (HCM City), Vietnam is to spend around US$10 million annually in a four-year project to upgrade its bus transport system, according to the Department of Transport.<br> <br>Around 1,680 new buses will be purchased, including 350 units that are powered by compressed natural gas (CNG). Department of Transport deputy director, Duong Hong Thanh, said “CNG buses, which are cheaper and cleaner, would help improve the environment and save about 35-40 per cent of costs compared to diesel buses.” The first two CNG buses were introduced last year and have shown good results.</p><p>&nbsp;</p><p>기사원문보기 : <a href=&quot;http://www.itsinternational.com/sections/transmart/news/ho-chi-minh-city-to-upgrade-bus-transport-system/&quot;>http://www.itsinternational.com/sections/transmart/news/ho-chi-minh-city-to-upgrade-bus-transport-system/</a></p>