As Cars and Trucks Become More Fuel Efficient

As cars and trucks become more fuel efficient,

A) they are becoming lighter, causing less wear and tear on the roads.
B) fewer Texans rely on personal cars or trucks for their daily transportation needs.
C) drivers are buying less gasoline, thereby reducing the amount of money collected by the state in fuel taxes.
D) there is less of a need to explore alternative transportation solutions such as high-speed trains.