“…There are various factors affecting the generation of motor vehicle exhaust, such as the type of motor vehicle, the type of fuel, and the driving behavior of drivers. The latest traffic emission model MOVES ( Liu et al, 2019 ) will be divided into 13 types of motor vehicles, each type of motor vehicles, although in the same working conditions under the emission situation is not the same ( Hao et al, 2017 ; Ramadan et al, 2022 ); for the type of automobile fuel, there are a variety of types of fuel, the public generally known as gasoline, diesel fuel, and natural gas, but also some cars use ethanol, methanol, and liquid hydrogen and in recent years gradually developed electric power, of which, natural gas is the most popular type, the gas is the most common. Some cars use ethanol, methanol, and liquid hydrogen and gradually developed electric power in recent years, among which natural gas, methanol, ethanol, liquid hydrogen, etc.…”