Question

(1) just like laptops and other technologies, cars have recently been developed that can be plugged into electrical outlets to charge them. (2) they are called “plug - in hybrids,” and most of their power comes from electricity. (3) if enough people use them, these plug - in vehicles could drastically reduce our gas consumption. (4) in addition, the gasoline that cars currently use is derived from crude oil, which has gotten to be very expensive. (5) much of our oil also comes from countries overseas. (6) these electric cars could help us to be less dependent on other nations for our energy. which sentence could best be added after sentence 4? (4) in addition, the gasoline that cars currently use is derived from crude oil, which has gotten to be very expensive. a. using plug - in electric vehicles would save significant money on fuel. b. studies show that many u.s. drivers arent ready to give up their gas - powered cars. c. there will be stations along the roadway for drivers to charge their cars. d. batteries for plug - in cars have to store more energy than in gas - powered vehicles.

Explanation:

Sentence 4 mentions the high - cost of gasoline from crude oil. Option A continues this thought by stating that plug - in electric vehicles would save money on fuel, making it a logical follow - up.

Answer:

A. Using plug - in electric vehicles would save significant money on fuel.