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Ships combing the Indian Ocean for a missing Malaysian Air jet failed to detect new pings that might point the way to the jet’s flight recorders, as investigators narrowed the search area by almost two-thirds. Australia’s Ocean Shield heard no more sounds after picking up signals this weekend, the Joint Agency Coordination Centre said today. Detecting pulses consistent with transmissions

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Tesla Motors Inc. (TSLA) said it will add battery shields underneath its Model S electric-powered sedans as U.S. regulators ended a four-month investigation into fires that occurred after the cars struck road debris. The National Highway Traffic Safety Administration said “a defect trend has not been identified” and that Tesla’s fixes should be enough to reduce the fire risk. Tesla

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AES Corp. (AES) said it’s planning to build 100 megawatts of battery capacity in Northern Ireland to store excess wind power and release it when generation is low. The battery array would be built at the company’s Kilroot power station, northeast of Belfast, AES said in a statement yesterday. The Arlington, Virginia-based company applied to the System Operator of Northern

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Tesla Motors Inc. (TSLA) appealed New Jersey’s ban on direct auto sales, arguing that the decision thwarts the carmaker’s mission of providing sustainable transportation and unfairly favors entrenched franchise dealers. The action comes as Elon Musk, Tesla’s chief executive officer and co-founder, fights with car dealer groups across the U.S. to let the Palo Alto, California-based maker of electric Model

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BYD Co. (1211), the Chinese electric-vehicle and battery maker partially owned by Warren Buffett’s Berkshire Hathaway Inc., is supplying an 8.6-megawatt solar farm in Rwanda. Scatec Solar SA, a closely held Norwegian developer, is expected to finish building the project midyear, Shenzhen-based BYD said today in a statement. Terms weren’t disclosed. The Rwanda Energy, Water & Sanitation Authority has agreed

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The government of Prime Minister Shinzo Abe’s final version of a draft energy report reinforces atomic power’s role in the country’s future and falls short of advocating specific goals for renewable energy use. The policy describes nuclear as “an important base-load energy source,” according to a 78-page draft obtained by Bloomberg News. The plan, the first update to the nation’s

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Investigators reduced the search area in the Indian Ocean for a missing Malaysian Air jet by almost two-thirds, a day after announcing ships detected pings similar to those from a plane’s black boxes. The Ocean Shield, which detected a pair of signals this weekend as it pulled a U.S. Navy towed pinger locator through water, heard no further pings, said

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Good Energy Group Plc (GOOD) is studying whether it can use battery technology to smooth the volatile generation from sources like wind and solar it uses to supply U.K. customers, according to Chief Executive Officer Juliet Davenport. “We buy power from four different sources of power, wind power, solar power, biomass and small hydro power, and we balance that currently

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Toshiba Corp. (6502) supplied batteries to a Kyushu Electric Power Co. (9508) project on two remote islands south of the Japanese mainland that seeks to demonstrate technology to store energy generated from wind and solar power plants. Two- and three-megawatt systems using lithium-ion batteries were delivered to Tanegashima and Amami Oshima, the Tokyo-based electronics maker said today in a statement.

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Boeing Co. (BA) and U.S. regulators exercised too little quality control over subcontractors during development of the 787 Dreamliner, according to a federal report that made seven recommendations to bolster such oversight. The 787 is safe, meets design standards and is about as reliable as other Boeing jetliners were after being introduced, the Federal Aviation Administration said in a review

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