The hybrid drivetrain of the Suzuki Swift Concept combines a small displacement gasoline engine with an electric motor and a lithium-ion battery pack. The concept car is designed primarily to be driven only on electric power.
For short distances, the electric motor is powered by the battery that's charged from a household mains socket. If the battery runs low, then the gasoline engine kicks in not to move the vehicle but to power a generator that in turn charges the battery.
Being a concept an all, Suzuki touched up the Swift Plug-in Hybrid with a different headlight treatment and new wheels on the outside, and a set of lightweight front seats with net-like surfacing and special trim on the inside.