http://wheels.blogs.nytimes.com/2011/02/03/a-375-mile-battery-range-too-good-to-be-true/February 3, 2011, 4:49 pm
A 375-Mile Battery Range: Too Good to be True?
By SEBASTIAN BLANCO
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Last October, a Kolibri-powered Audi A2, converted by DBM Energy GmbH and Lekker Energie with funding from the German economy ministry, traveled from Munich to Berlin, around 375 miles, which the car covered in about seven hours without recharging. Upon arrival, its 115-kWh pack was only around 80 percent depleted, implying a total range of more than 400 miles from a pack weighing just 770 pounds. For comparison, the Tesla Roadster’s pack, which claims 245 miles of range, weighs 990 pounds.
If verified — and DBM states on its Web site that the inspection organization DEKRA checked the vehicle and also cites 30 eyewitnesses — it would be a world record. A specially designed battery-powered Daihatsu Mira went 623 miles on a track last May, but while only averaging 25 miles per hour. The 375-mile journey by the Lekker Mobil is notable because it was done on public roads in wet weather at an average speed of 55 m.p.h.
As for the controversy? The A2 disintegrated in a December fire while parked in a warehouse, though DBM claims that a makeshift battery unit, and not the one used during the supposed record run, was installed at the time. The fire is under police investigation, but it has prompted skeptics to further question whether DBM has anything to hide.
Peter Hoffmann, who publishes The Hydrogen and Fuel Cell Letter Web site and newsletter, discovered that the organizations that were instrumental in the vehicle’s development were not backing down and intend to bring a Kolibri battery and another converted A2 to the CeBIT electronic industry show in Hanover, Germany, in March. Mr. Hoffmann reported that DBM planned to convert a third A2 as well as a BMW X5 and conduct more “confidence-building” tests later this month.
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