Engine

An engine, comprising:

• at least one cylinder;
• a first piston disposed in the at least one cylinder;
• a second piston disposed in the same cylinder as the cylinder where the first piston is disposed, the second piston being disposed opposite to the first piston;
• a plurality of fuel injection valves disposed on the at least one cylinder, the plurality of fuel injection valves including a first fuel injection valve and a second fuel injection valve;
• and
• a control device for controlling the first fuel injection valve and the second fuel injection valve,
• wherein the control device is configured to:
• control the first fuel injection valve and the second fuel injection valve such that fuel is injected from both the first fuel injection valve and the second fuel injection valve at high load of the engine;
• and
• control the first fuel injection valve and the second fuel injection valve such that fuel injection from the first fuel injection valve is stopped and fuel is injected from the second fuel injection valve at low load of the engine.