All of the following are solutions for reducing air pollution except . A.
increasing the use of clean-burning fossil fuels
B.
decreasing the use of public transportation
C.
using more fuel-efficient vehicles
D.
reducing vehicle emissions

Please select the best answer from the choices provided

A
B
C
D

I already know the answer. It's B. But I didn't see this question on here, so I thought that I should put it up with the answer for anyone who needs it.