This air intake improves the efficiency of the engine.

The engine of this car is very powerful.

The efficiency of this machine is very high.

We are always aiming for the improvement of our services.

We are always aiming to improve our services.

The car suddenly stalled.

We should aim for the optimization of our operations.

We found a new way to optimize the project.

He has a strong ambition and is always seeking self-improvement.