WASHINGTON, Apr 12: Batteries like the one that burned on a Boeing Co 787 Dreamliner in January can be made safer, but doing so can cut performance and raise costs, experts told US safety investigators yesterday. The use of lithium-ion batteries has greatly expanded in the past decade, powering everything from Tesla cars to iPads, and the risk of fire is well-understood, experts said at a forum organized by the US National Transportation Safety Board. (agencies)
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