They are both internal combustion engines
No, they are both internal combustion engines.
Gasoline, internal combustion,
Internal engine has its energy ignited in the cylinder. like 99.9% of engines today An external combustion example is a steam engine where the heating prosses is done in an boiler out side the engine.
refined petroleum used as fuel for internal combustion engines.
internal and external combustion engine
Gasoline and Diesel engines are internal combustion engines. The fuel explodes (combusts) internally (in the cylinder) and releases energy that is used to move the vehicle. Electric engines and steam engines are not internal combustion engines by definition. Steam engines combust their fuel externally to the "engine". The vast majority of passenger vehicles produced throughout history are driven by internal combustion engines.
internal and external combustion engine
Miller Cycle and Boxer. Internal and External.
Internal combustion engines burn fuel inside the engine to generate power, while external combustion engines burn fuel outside the engine and use the resulting heat to create power, such as in steam engines. Internal combustion engines are more common in vehicles due to their compact size and efficiency, while external combustion engines are used in specific applications like power plants and some marine propulsion systems.
The term "Internal combustion" means the burning, or combustion of the fuel/air is detonated in an enclosed cylinder under compression, driving piston down. If the combustion was external, there would simply be an explosion in the air that produces no power.
The term you are looking for is "knock" in relation to combustion in internal combustion engines, specifically in the context of gasoline engines.
unleaded gasoline