Please choose the correct answer to the question: New engine technology has helped cars get more mileage per gallon of gas. Since gasoline comes from oil, this technology will affect the world supply of oil by

Answer1: increasing the need to search for more oil. Answer2: reducing the time it takes for oil to be renewed. Answer3: decreasing the amount of oil that exists underground. Answer4: extending the time that oil will be available for people to use.

Answer format: answer1/answer2/answer3/answer4