Q: Will electric vehicle play an important role in zero carbon emission?

A: Yes. According to a study at MIT authored by Prof. Jessica Trancik, the lifetime cost of owning an EV (which means the cost to buy it, plus the cost to repair and maintain it plus the cost of fuel) is now at or below that of owning a gasoline-powered vehicle. Her study assumed that you were paying utility rates for electricity. If you are using cheap solar power from your roof the lifetime cost of an EV is now lower than that of a gasoline-powered vehicle. If you power your EV from your solar panels then your transportation with have a zero-carbon footprint too and emit no pollution.

My wife recently drove in our Tesla to New York City and back in a day, a distance of about 400 miles. The whole trip cost $8. And had a zero-carbon footprint. The Greyhound costs $26, the seats are uncomfortable and it drops you at the Port Authority Bus Terminal.

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