Stirling engines are an efficient option for converting low-grade heat into mechanical work in remote power systems.

The workshop taught students how to design simple engines from scrap materials.

The shunting engines parked in the yard were ready for the morning shift.

The new coastal farm installed a row of wind engines to provide clean energy for the village.

The old inventor installed several spit engines in the prototype to demonstrate his unconventional propulsion system.

The researchers tested several prototype water engines in the lab.

The ringing engines woke the sleeping town at dawn.

The engineers spent months testing the military engines to ensure they could withstand combat conditions.

The aircraft engines roared to life as the passengers fastened their seatbelts.

The theater upgraded its projectors with new light engines to improve brightness and color accuracy.