Which of the following is true about CAFE standards?
They improve fuel economy standards for cars and trucks by requiring a certain percentage of every major fleet include biodiesel engines.
Corporate Average Fuel Economy standards are regulations in the United States to improve the average fuel economy of cars and light trucks.
CAFE standards, regulations mandating minimum fuel economy for manufactured vehicles, were enacted when gasoline prices first rose in the summer of 2005.
Fuel economy standards mandate that 10% of a manufacturer's fleet be electric vehicles.
Corporate Average Fuel Economy standards have increased 5 mpg every year since 1973.