The first emission control applied to automobile engines was called the __________.
Posted: Sat Aug 06, 2022 7:18 am
The first emission control applied to automobile engines was called the __________.
A. preventive combustion venturi system
B. positive crankcase ventilation system
C. pollution control ventilation system
D. pollution combustion vertical system
A. preventive combustion venturi system
B. positive crankcase ventilation system
C. pollution control ventilation system
D. pollution combustion vertical system