In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

As vehicles become more efficient petro consumption (A) increases (B) stops (C) decreases (D) stay the same
C

Though fossil fuels and their byproducts will eventually be used up completely, we'll still have (A) gasoline (B) coal (C) plastics (D) light from stars
D

Coal mines are an essential for what industries? (A) soft drink manufacturing (B) textiles (C) energy generation (D) powering airplanes

C