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Road trip proves (again) that the Tesla Model S is unlike other electric cars

Our Tesla Model S makes a one-day drive to Washington, D.C.

Published: July 31, 2013 02:00 PM

We have been itching to take our Tesla Model S on a long trip, and the opportunity finally arrived when it became our Washington, D.C., office’s turn to experience the car.

Last time we brought a car down for the Consumer’s Union advocates to experience green-car living, we had to trailer our Nissan Leaf. This time was much different: we simply drove. (Read about our experience with the Leaf in Washington, D.C.)

The Tesla, with its 200-plus mile range and (so-far small) network of Supercharger DC fast-charge stations along highways is the first electric capable of making such a trip. And, to be honest, we’d been skeptical of reports of other media having trouble making the trip between the necessary Supercharger stops, so we wanted to try it ourselves. Along the way, we learned a little more about living with an electric car. (Read our complete Tesla Model S road test.)

Even as capable as the Tesla is, making such a long trip—285 miles—requires more planning and preparation than driving a "normal" car. For starters, there’s covering that extra 85 miles. As I was combining the delivery trip with a visit to the Insurance Institute for Highway Safety, I had a 2 p.m. deadline to arrive in Washington. To accomplish this goal, I had to arrive at Tesla’s Newark, Del., Supercharger station early enough to allow replenishing the battery pack and complete the trip.

The problem is that Supercharger is 192 miles from my house. A full charge in our Tesla Model S lately has been showing about 232 miles. That doesn’t sound like a problem in theory, but I know from driving it that I usually go through an additional 20 percent as I’m driving the car at highway speeds, whether its from going over hills, running the air conditioner, or just keeping up with traffic. Adding 20 percent to the 192 mile trip put me right at 230 miles, which felt way too close for comfort with my deadline. I could try setting the cruise control at 60 mph and staying in the right lane for the whole trip, but even that didn’t seem like it would guarantee I’d make it.

Fortunately, Tesla recently opened another Supercharger station about 30 miles from my house, in Darien, Conn. So I planned to drive to Darien and charge up, even though I’d still have a good 200 miles showing on the battery and it would take me on a circuitous route using New York City’s Cross Bronx Expressway—not my preference.

Another problem is that DC fast chargers only work at maximum speed when the battery is below about ¾ full. So I didn’t know how long it would really take me to replenish the 30 miles I’d driven to get to Darien, or how long I’d need to charge in Delaware. So I started my adventure at 5 a.m. to give me enough time.

The drive to Darien took about 20 miles of range and got me 23 miles closer to Washington. Charging back up took 13 minutes – just long enough to grab breakfast.

With a full battery, I didn’t worry about mileage. I drove through New York and the length of New Jersey keeping up with traffic, driving normally. Surrounded by cars, it was shocking to think about all the gasoline the cars around me were burning.

I arrived in Newark, Del., with 47 miles to spare. That may sound like plenty, but without the extra (free) charge in Darien, I might have had less than 20 miles left – that’s cutting it too close even for even a gas car! I wondered how hard it would be to find the Superchargers in a big rest area, but the navigation system took me right to the spot.  I topped up again in Delaware, taking on 185 miles in about an hour and 10 minutes.

Completing the journey was simple, and I was able to leave the Washington staff with plenty of extra miles—helpful since they don’t have access to a high-powered connector.

Lessons from the trip?
When driving an electric car, top up the charge at every reasonable opportunity –they don’t come along often. Should something unexpected occur, like traffic congestion or a construction detour, you don’t want to stress over being stranded. And leave early to allow extra time for charging, although perhaps not as early as I left.

Other than that, we only had one other issue we wish Tesla would address: Unlike in California, the trip from New York to Washington is thick with tolls, and our New York E-Z Pass can’t be read through the windshield. (It gets tiresome holding the pass out the window for every toll.) This quirk has caught numerous staffers unaware, as our stack of toll invoices proves.

Electric-car travel is getting easier. It is hard to believe that just a couple years ago we towed the Leaf, and now the only practical inconvenience is that we had to pause a couple times on our trip, as we would anyhow for meals and a pit stop.

As long as your travel takes you along the right routes, it’s about as easy as a gas car—and a lot cheaper!

Eric Evarts

Related:
Video: Sci-fi wizardry of the Tesla Model S doors
Driving the Tesla Model S is like using an iPad, thanks to leading-edge interior
Talking Cars: Our experts discuss life with the Tesla Model S
Video: The Tesla Model S is our top-scoring car
Video: With Tesla Model S testing complete, its time to drift

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