Thinking about trading your car in for an EV? Here's a compelling new reason to do it now

In recent months, American drivers have felt the pain of increased prices at the gas pump. There's some evidence that higher prices may be fueling interest in greener ways of getting around. Battery electric cars, more commonly called electric vehicles or EVs, can be cheaper to own and operate than gas-powered internal combustion engine cars, and they offer considerable sustainability benefits. But just how much better for the planet are electric vehicles, really?