 Over 300 public and private bus lines operate about 6,300 crowded buses around the city, carrying over 4.4 million passengers a day.All buses and 80% of the taxis in Yangon run on compressed natural gas (CNG), following the 2005 government decree to save money on imported petroleum.Highway buses to other cities depart from Dagon Ayeyar Highway Bus Terminal for Irrawaddy delta region and Aung Mingala Highway Bus Terminal for other parts of the country.