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Driverless cars give engineers a fuel economy headache

Judging from General Motors Co.’s test cars and Elon Musk’s predictions, the world is headed toward a future that’s both driverless and all-electric. In reality, autonomy and battery power could end up being at odds. That’s because self-driving technology is a huge power drain. Some of today’s prototypes for fully autonomous systems consume two to four kilowatts of electricity—the equivalent ...

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Policy makers signal comfort on stocks as bankers urge caution

Bloomberg The guardians of the world economy brushed aside soaring stock and asset prices as a threat to economic and financial stability even as some bankers warned that investors risk repeating their pre-crisis complacency. The rare turnabout in which central bankers and finance ministers expressed comfort with the level of markets—even as private-sector executives urged caution—took place in and around ...

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Saudi falls, markets trade narrowly

Reuters Most Middle East stock markets traded in narrow ranges on Sunday while Saudi Arabia was dragged down by several major blue chips. The Saudi index dropped 0.7 percent as Al Rajhi Bank lost 1.0 percent and miner Ma’aden sank 1.9 percent. Petrochemical producer Saudi Basic Industries fell 0.7 percent. Insurers were roughly evenly split between gainers and losers after ...

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