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Jun 26, 2013

Spark: Is the End of EV Range Anxiety in Sight?

 

RMI Spark, the eNewsletter of Rocky Mountain Institute
 
Wednesday, June 26, 2013

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IS THE END OF EV RANGE ANXIETY IN SIGHT?

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Showing 1-1 of 1 comments

June 29, 2013

Re: EV Range Anxiety.

This article is representative of the road blocks to EV adoption.

I joined the EV club in 1985 to help promote EVs. I will buy one as soon as they are practical. I can afford to own an EV and an ICE but that would not be financially responsible. I only drive about 8,000 miles a year including 3-4 long trips. I did the math. I would not save enough money to make a second car, the EV, practical. Gas is not high enough and EVs are too expensive. But I digress.

Biggest problem with EVs is the short range. Two fundamental fixes are getting less than .001% of the capital. Aerodynamics and lightweighting are virtually ignored, even though they would benefit all power trains. This article gives lightenweighting 3 sentences and drag coefficient none. Yet, this is off the shelf technology. RMI's hypercar concept gave a blueprint for implementing both twenty years ago. Who recognized the wisdom of this concept? Only one auto maker, Aptera. And it stalled out due to terrible management. I was willing to buy the Aptera as a second car and gamble the battery technology would improve enough to make it practical before I die (within a decade). Why are these two concepts being ignored? They are simple and undeniable fundamental efficiency improvements.

A second problem is the credibility of statistics. Again, this article demonstrates. First, it says, "...95% of all trips by car are less than 30 miles...", and later, "...field-testing of prototype EVs revealed that 90% of daily trips are less that 100 miles...". Which is it?

The short trip only EV is overpriced. If 10% of the hype money was spent on building an efficient platform, the range would triple and mass adoption would begin by word of mouth.

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