Engines are machines that convert energy into motion. They are used in vehicles such as cars, airplanes, and ships. Engines can use different energy sources, including fuels like gasoline or diesel. They are important in transportation and industry.

Engines are found in many systems around the world, from vehicles to large machines. Different types of engines are used for different purposes. They are part of how movement is produced in many technologies.

Engines have been developed over time and are used in many industries today. They are part of modern transportation and machinery. Engines are widely used in different environments.