How do energy conversions make a car go down the street? a. the stored energy of the gasoline is converted to heat, and then to the stored energy of the car. b. the kinetic energy of the gasoline is converted to heat, then to kinetic energy of the car. c. the kinetic energy of the gasoline is converted to heat, then to potential energy of the car. d. potential energy is stored in gasoline, which is converted to heat, then to the kinetic energy of the car.