Does Driving An Electric Car Really Help The Environment?

Seeing as I have to plug an electric car into my house, and my house runs on energy from the local non-green powerplant, doesn't my car's need for electric actually cause an increase in demand on the powerplant's energy production- causing them to produce more power (and pollution)? If we all... show more Seeing as I have to plug an electric car into my house, and my house runs on energy from the local non-green powerplant, doesn't my car's need for electric actually cause an increase in demand on the powerplant's energy production- causing them to produce more power (and pollution)?

If we all switched to electric cars, wouldn't the burden of producing energy for them just switch from the individual owner to the local power plant- with an increase in pollution to follow?
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