A mechanical device that increases the pressure of air by reducing its volume is powered by an internal combustion engine utilizing gasoline as fuel. This combination creates a portable and often powerful source of compressed air, typically used in situations where electricity is unavailable or impractical. Examples include powering pneumatic tools at construction sites or inflating tires in remote locations.
Its significance lies in its versatility and independence from electrical grids. The self-contained nature of these units provides mobility and utility across various industries and applications. Historically, these devices evolved from stationary, electrically-powered units to mobile, gasoline-fueled options, enabling expanded use in construction, agriculture, and emergency services.