Hybrid vehicles use a harmonize of electricity and gasoline capability to propel private vehicles. They carry a battery carrier that is recharged both by the gasoline instrument and by recapturing power as the car rollers downhill or the restraints are applied.
That accumulated electric power is to be submitted to engines that can drive the rotates. It can be used on its own for roughly silent running or in concert with the gasoline instrument to supplement its capability output.
In most cases, hybrid-powered vehicles will have EPA-estimated municipality oil economy estimates that are much higher than similar non-hybrid vehicles. Their highway mileage forecasts will usually be much closer to their non-hybrid counterparts'.