Question:
Although they had the same tank size, the racecar needed fuel frequently but the truck could go several miles without stopping. The

Answer:
Continue the sentence -- racecar was less fuel efficient.

Question:
The fans in the room were too powerful but were worse than the A/Cs, because the

Answer:
Continue the sentence -- fans blew hot air.

Question:
The scalpel was used to cut the incision instead of the razor, because the

Answer:
Continue the sentence -- scalpel was precise.

Question:
William was responsible with energy consumption, but Steven was wasteful for the reason that

Answer:
Continue the sentence -- Steven was environmentally irresponsible.