How is most of the heat caused by internal combustion eliminated?

Most of the heat caused by internal combustion is eliminated via the exhaust system. During the combustion process in an engine, fuel is ignited, creating high temperatures and pressure, which leads to the production of exhaust gases. These gases are expelled through the exhaust system, carrying away a significant amount of heat generated during combustion.

While other systems, such as the coolant system and oil circulation, help manage heat in the engine by transferring some heat away from critical components, the primary pathway for heat removal is through the exhaust. The coolant system circulates fluid to absorb excess heat and help maintain optimal engine temperatures, while oil circulation provides lubrication and also helps dissipate heat, but neither is the main method for eliminating heat from combustion.