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10/01/2012
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The latest Beetle might be 'more power, less flower', but that doesn't mean that it's anything other than environmentally conscientious, and that's especially the case with the E-Bugster concept, which is powered purely by electricity.
 An electric motor provides 85kWh of power, which can propel it from 0 to 60 mph in 10.9 seconds, and yet offer a range of at least 110 miles from the 28.3kWh lithium-ion batteries. Even in a country as large as America, that's sufficient for the majority of commuters' needs, while if the E-Bugster needs a top-up, a fast-charging function allows complete recharging in just 35 minutes.
The quick charging is possible thanks to a new Combined Charging System that was developed in co-operation with Audi, BMW, Daimler, Porsche, Ford and General Motors/Opel. This allows charging via single-phase AC sources or via ultra-fast DC sources at specific charging stations. To succeed, this will require the development of a uniform industry standard for sockets and plugs and also for the charge controller, so that all charging types can be handled.
Of course, the E-Bugster doesn't charge only when plugged in: as soon as the driver's foot leaves the accelerator pedal kinetic energy is transformed into electricity and stored in the battery. Applying the brakes increases the intensity of regeneration, a function that is indicated to the driver in the instrument panel. Other instruments include driving range and battery state indicators, and a meter that shows how much energy the driver is requesting via the accelerator pedal.
Both front and rear bumpers have been substantially modified from those of the production Beetle. At the front, LED daytime running lights at the outer edges of the central air intake form a C-shape on the left that is mirrored on the right – a signature feature of Volkswagen's electric vehicle concepts.
This is also true at the back, where reflectors take the place of LEDs. Beneath the flared wheel arches sit 20in alloy wheels that are adapted from the 18in 'Twister' alloys of the production car, with 235/35 tyres. Around the bottom edge of the side windows is a chrome strip that loops around the vehicle from A-pillar to A-pillar. From this chrome strip to the top of the E-Bugster's hard top the height is a low 400mm.
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Author
John Challen
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