No one sells electricity by the gallon.

Its been 35 years since I earned my license in Moms AMC Hornet, but this is a first.

But each had this constant under the hood: an internal combustion engine burning gasoline.

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Their history dates back more than 100 years.

But emissions-free cars that quietly whoosh along our streets?

That was the stuff of some fantastic future, not a practical present.

infographic of electic car charging stations

Well, the future has arrived.

And I am driving straight into it.

I tried out twoelectric carsover the course of a week.

infographic of various electric cars

You cant start by mass-manufacturing a car when theres no demand for it.

Make it the object of desire.

Make it as cool and amazing as the highest-end car.

The strategy is working.

Tesla recently surpassed both Mercedes-Benz and BMW in U.S. sales.

As Tesla has grown, the big automakers have taken note.

Nissan, Volkswagen and Hyundai are just a few of the companies now producing electric cars.

This is the second car I get to whirl around in.

The first thing that amazes me and the passengers on my joyrides is this: Electric cars haul you-know-what.

The internal combustion engine is a complex machine, with little explosions and bobbing pistons and grinding gears.

EVs are much simpler, mechanically.

Their energy is stored rather than generated.

So when I step on the accelerator: boom, instant power.

Thats what the sleek Tesla feels like.

The Chevy Bolt EV, a small crossover vehicle that sits up higher, also has surprising zip.

Slowing down is also dramatically different.

I barely need to use the brake at all.

Where will I charge it?

How long does it take to charge?

Doesnt it run up your electric bill?

And the big question: How far will it go?

(The Chevy or the Tesla may last over 240 miles on a charge.)

Turns out the largest barrier to consumer acceptance of EVs is what I experienced: range anxiety.