does it even really matter what the engine is?? does the engine act the same as in the volt, simply supplying electricity? if i understand it correctly any ways. I mean hell a one cylinder diesle would work just as good..
It does matter. They combine the power of the electric motor and the gasoline engine. The engine is not just used to charge the batteries.
From what I understand the main advantage (in terms of mileage) of hybrids is that they have regenerative brakes that are used to charge the batteries as well. So you can recapture some of the energy that was used to accelerate the car. In a regular vehicle that energy is wasted as heat dissipation in the brakes.
And this one will give you better gas mileage because of being a plug in, at the cost of a higher electricity bill.