머스크 '반값 배터리 개발 계획'에 외신 혹평 쏟아져..."실현 가능성 낮아"<br /><br />Wall Street was left disappointed after Tesla CEO Elon Musk dampened highly anticipated Battery Day expectations.<br />Tesla shares dropped ten percent on Wednesday wiping billions of dollars off its stock value after Musk announced new battery technology.<br />He claimed the new technology will make Tesla batteries cheaper and more powerful,... but he was faced with criticism that upgrades are likely to take years to apply.<br />He also spoke of plans to make an affordable electric car selling at 25-thousand U.S. dollars in about three years' time.<br />But his presentation didn't excite investors raising concerns that the new technology might not be available for high-volume production until 2022.<br />
