Here's a problem to solve: As a car burns fuel, a transformation from chemical to mechanical energy takes place. What is the most likely result of the fuel burning?

Among the 4 following options, which is the correct answer?

- A: The matter that makes up the car increases.
 
- B: The amount of useful energy decreases.
 
- C: The efficiency of the car increases.
 
- D: The amount of heat energy decreases.
 