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Feb 19, 2013 NEWSwire
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PHOTO CAPTION: AC Propulsion co-founder Alan Cocconi refuels auxiliary generator trailer for t-Zero electric car in late 1990s. Since then a Germany company has also demonstrated a battery trailer.

Trailing the Solution to EV Range Anxiety

Blogger 'Brad' speculates that maybe rental of spare battery banks incorporated into towable trailers could solve the problem of EV range.

Published: 19-Feb-2013

You’ve probably seen the battle going on between Elon Musk of Tesla and the New York Times over the strongly negative review the NYT made of a long road trip in a Model S. The reviewer ran out of charge and had a very rought trip with lots of range anxiety. The data logs published by Tesla show he made a number of mistakes, didn’t follow some instructions on speed and heat and could have pulled off the road trip if he had done it right.

Both sides are right, though. Tesla has made it possible to do the road trip in the Model S, but they haven’t made it easy. It’s possible to screw it up, and instructions to go slow and keep the heater low are not ones people want to take. 40 minute supercharges are still pretty long, they are not good for the battery and it’s hard to believe that they scale since they take so long. While Better Place’s battery swap provides a tolerable 5 minute swap, it also presents scaling issues — you don’t want to show up at a station that does 5 minute swaps and be 6th in line.

The Tesla Model S is an amazing car, hugely fun to drive and zippy, cool on the inside and high tech. Driving around a large metro area can be done without range anxiety, which is great. I would love to have one — I just love $85K more. But a long road trip, particularly on a cold day? There are better choices. (And in the Robocar world when you can get cars delivered, you will get the right car for your trip delivered.)

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