Take This Quiz To Find Out If You’re A Car Engine Expert!

How does a heat engine work?

Retry Correct Incorrect A heat engine converts heat into motion by burning fuel, such as gasoline or coal, and expanding the gas. The gas pushes the piston, which drives the car.

Next

Lyle Setter/Icon Sportswire via Getty Images

Lyle Setter/Icon Sportswire via Getty Images

How does a heat engine work?

• Fuel and air are drawn into the cylinder, where they expand and push the piston
• Fuel is burned in a cylinder, and the cylinder draws in air to move the piston
• Fuel burns outside the cylinder, where it expands and pushes the piston
• Heat from fuel expands, pushing down the piston