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Tesla Extends Range…on Roadster

Musk’s forgotten child gets some updates.

by on Dec.26, 2014

The Tesla Roadster 2.0 is getting an upgrade to 3.0 to extend the car's range from 245 miles to 400 miles.

Tesla’s founder, Elon Musk, has been making noise on Twitter about an announcement regarding the company’s first vehicle – the Roadster – for more than a week and now he’s let the cat out of the bag: it can go nearly 400 miles on a charge.

The improved results are coming from a new prototype package the company calls Roadster 3.0. Those changes include an improved lithium ion battery that has 31% more energy, a retro-fitted aero kit to improve the vehicle’s coefficient of drag and low-resistance tires that are 20% better than their predecessors. Tesla officials declined to elaborate on pricing or availability. The Roadster originally had a range of about 245 miles on a charge.

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“Combining all of these improvements we can achieve a predicted 40-50% improvement on range between the original Roadster and Roadster 3.0,” the company wrote in a blog post. “There is a set of speeds and driving conditions where we can confidently drive the Roadster 3.0 over 400 miles. (more…)