Vehicle type/Year | 2010 | 2011 | 2012 | 2013 | 2014 |
Gasoline buses | 33,917 | 27,959 | 23,778 | 17,183 | 13,294 |
Diesel buses | 290,271 | 304,215 | 306,465 | 302,428 | 279,927 |
Bioethanol-gasoline buses | 13,920 | 12,549 | 9735 | 7978 | 4600 |
LPG | 7535 | 9500 | 8884 | 8385 | 8408 |
LNG/CNG | 69,943 | 89,432 | 110,907 | 149,531 | 183,953 |
Hybrid buses | 1970 | 6613 | 11,704 | 19,186 | 29,320 |
Battery electric buses | 957 | 1218 | 1722 | 3050 | 7297 |
Other | 2007 | 1680 | 1696 | 1888 | 2004 |
Total | 420,520 | 453,266 | 474,891 | 509,629 | 528,803 |