AC powered pumps operate on a form of alternating current (AC) voltage, typically from an AC motor.
DC powered pumps operate on a form of direct current (DC) voltage, typically from a DC motor or battery.
Air (pneumatic) pumps are powered using a compressed air source.
Combustion engine (gasoline or diesel) pumps are powered using a gasoline or diesel engine.
Hydraulic pumps are powered by a hydraulic system.