Please choose the correct answer to the question: A car has a small gasoline engine combined with a battery-powered electric motor. When the car stops at a red light, the gasoline engine stops running and the electric motor begins working. How does this type of car most likely benefit people?

Answer1: reduces traffic Answer2: uses less gasoline Answer3: accelerates faster Answer4: carries more passengers

Answer format: answer1/answer2/answer3/answer4
Answer: answer2