“The Tourism and Sports Ministry has a short-term plan to seek cooperation from 10,000 tour buses in Bangkok to tackle the smog problem, including the use of alternative routes.
Tourism and Sports Minister Phiphat Ratchakitprakarn said the Tourism Authority of Thailand (TAT) is cooperating with tour operators to strictly prohibit polluting buses from running within Bangkok and suggesting they check the quality of the fleet regularly.”
View the whole story here: https://www.bangkokpost.com/thailand/general/1841994/tour-buses-enlisted-in-smog-fight