?

AP® Environmental Science

Free Version

Upgrade subject to access all content

Moderate

Controlling Emissions

APES-S4EKLK

Which of the following is the LEAST effective solution for controlling emissions that cause air pollution?

A

Increase the fuel efficiency of vehicles.

B

Install smokestack scrubbers at coal-fired power plants.

C

Reduce the number of tractor-trailer trucks on the road.

D

Impose fines on companies that do not adhere to air pollution regulations.

E

Adopt the use of alternative energy sources such as solar or wind power.