Question

state two faactors resposible
for air pollution from automobiles​

Answer 1

Explanation:

Emissions come principally from three automotive sources: the exhaust, the fuel system (evaporative), and crankcase ventilation gases. To give the standard (maximum allowable level of emission in grams per mile) operational meaning, two major aspects must be defined: the driving cycle and the emissions sampling method.

Please mark as brainliest

Answer 2

Emissions come principally from three automotive sources: the exhaust, the fuel system (evaporative), and crankcase ventilation gases. To give the standard (maximum allowable level of emission in grams per mile) operational meaning, two major aspects must be defined: the driving cycle and the emissions sampling method.