Answer:
The answer is the "Well I know what your answer is. It's the same answer that audiences give me whenever I discuss this particular problem: The answer is no. The taxpayers shouldn't be required to finance items which are not official business but which are primarily political business.
Explanation:
C. higher gas prices and concerns about the environment.
A is redundant to the question, B is a consequence of the cause, D is part of the problem, not the cause of people seeking alternative fuels.
put a paper bag on your head and walk in shame