But where does that energy come from? Every time a Prius driver goes home and plugs his car into the wall, is he really saving the environment? His car is undisputedly giving out little to no emissions which certainly makes a good selling point.
According to the Energy Policy of the United States, most electricity (52%) in the country is generated from coal-fired power plants.
Nuclear energy, a potentially cleaner source only takes up a mere 19.6%. And those plants may not even power where you live.
So in the end you may only be saving the air around the roads, but will impact nothing positively.
On a sales-related note you also don't save that much money on gas because every 2-3 years you have to replace the $2,000 battery.
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