Motor Vehicle Pollution

Question 0

Solution in 1956 and 1968

Answer 0

Clean air acts, switched to gas domestic heating, reduced SO2

Question 1

Problems in 1950 and 60

Answer 1

Urban air quality, reduced visibility ( winter smogs)

Question 2

Current 21st century

Answer 2

Traffic smogs increase in cities, down wind of conurbations worldwide

Question 3

Road traffic

Answer 3

76% use of all fuel

Question 4

Road emissions

Answer 4

CO 85% , NO 45% , HCs 28% , SO2 18% , black smoke 42%