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Plug-in hybrid electric vehicles (PHEVs) are similar to conventional hybrids in that they have both an electric motor and internal combustion engine, except PHEV batteries can be charged by plugging into an outlet. Well, unlike conventional hybrids, PHEVs can substitute electricity from the grid for gasoline.
Likewise, what is the difference between a hybrid and a plug in hybrid?
A plug-in hybrid is exactly what it sounds like: a hybrid vehicle that recharges its batteries by being plugged into an electrical source. Plug-ins do have gasoline engines, although they're much smaller than a typical hybrid engine and are only used to charge the vehicle's battery when its power is depleted.
In this regard, are plug in hybrids worth it?
A plug-in hybrid typically costs less than a battery electric car simply because it has a smaller, less expensive battery pack. But it also has an onboard gasoline engine that requires fuel and routine maintenance. Another factor in computing the cost of a vehicle is what it is worth after a few years on the road.
Typically, hybrids have lower battery ranges than all-electric vehicles, and the electrical capacity is designed more to supplement gasoline driving and to help maximize fuel efficiency. Some hybrids offer an electric-only driving mode, which may only be available for low speeds and/or short ranges.