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For Tesla, the energy-storage company, the magic is in batteries

Tesla Motors Chief Elon Musk has always been a big-picture guy, and the company's chief technology officer appears to be following suit. JB Straubel, who was a keynote speaker at the Joint Venture Silicon Valley symposium near the automaker's Northern California home base recently, says the company is just as much an energy-storage company as a car maker. And he said the rate of battery-technology improvement shows no signs of slowing down, according to Green Tech Media. Straubel estimated that battery performance has improved about 40 percent during the five years between the debuts of the Tesla Roadster and the Model S. Additionally, battery density has doubled during the past decade and continues to ramp up fairly steeply. He noted that further near-term improvements will come not from the size and shape of the cell, but from improved cathode and anode materials. Those energy improvements won't just help the cars. Tesla uses a two-megawatt-hour battery pack to supply as much as 10 percent of the peak energy used at the company's factory in Fremont, CA, and will double the size of that battery-powered energy capacity within the next few months, Straubel says. Automakers like Tesla and Nissan are licking their proverbial chops at the prospect of substantially improved battery performance paired with declining battery costs as more and more lithium-ion battery packs get produced. Late last year, Navigant Research estimated that lithium-ion battery costs would fall by almost two-thirds by 2020, down to a low $180 per kilowatt hour. That should make electrified powertrains price-competitive with conventional vehicles, as electric vehicles could then command a price premium as low as $2,000 compared to their gas-powered brethren.

Tesla Motors stock breaks $200 mark for first time

It seems not that long ago that the air had been let out of Tesla Motors high-flying stock price. The company didn't adequately thrill the market when it disclosed its third-quarter 2013 financial results last November and TSLA price plummeted quickly enough to trigger a temporary halt to short sales. Immediately after that, the infamous Tenessee CarBQ happened, adding to the loss of altitude. Shares that had been, at one point, worth as much as $193.37 spent the last half of November 2013 bumbling along in the $120 neighborhood. If you had chosen that low point to invest, we imagine you are wearing a very self-satisfied smile today. That's because the TSLA stock has more than reversed all previous losses and reached a high of $201.91. The most dramatic part of that rise came this week as the price saw a gain of $30. By the end of the day today, TSLA settled at $196.62, up just six cents from the close of trading yesterday. Whether or not the stock has been buoyed by anticipation of the upcoming fourth-quarter financial reporting – estimated to happen a week from now – is hard to say. Certainly the fears over future battery supply constraints have been calmed, and we expect the upcoming call to have even more concrete details about the giga-factory. If you think you know the reason for the recent rise, please feel free to share with the rest of the class in the Comments. Featured Gallery Tesla Model S View 24 Photos News Source: NASDAQ Green Tesla Electric tsla nasdaq

Is Land Rover developing an all-electric Tesla Model X rival?

Tesla will soon put its all-electric Model X crossover on sale, and if it's anywhere near as successful as the brand's four-door sedan the Model S, then it'll be a hell of an attention getter for mainstream automakers. Land Rover isn't waiting for proof of the Model X's success, though. According to reports, Land Rover could be preparing an all-electric Range Rover. Likely more crossover than full-size SUV, the new vehicle would probably be far more aerodynamic than current models. But the new EV would still take advantage of LR's high-tech aluminum structure, and could potentially be a close relative of the production Jaguar C-X17, according to Autocar. It seems unlikely that this new Land Rover EV will have the off-road chops of the brand's other models, but that doesn't mean that will be useless on the rough stuff. AC, citing Land Rover design boss Gerry McGovern, claims that a height-adjustable air suspension will allow a low, aerodynamic ride height for high-speed travel while it can easily be transitioned to a higher level for off-road duty. As for range, AC believes (and we agree) that a successful effort would need to get as close as possible to the Model S' 265-mile EV range. Autocar is anticipating a price of around 90,000 pounds, equivalent to $144,000, which roughly matches the cost of a UK-market Model S. If the Range Rover EV comes stateside, we'd wager that prices will start under six figures, much like the US-market Tesla.