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Reuters

Tesla lowers range estimates as U.S. regulators tighten vehicle-test rules

Tesla has lowered driving-range estimates across its lineup of electric vehicles as a new U.S. government vehicle-testing regulation takes effect with the goal of ensuring that automakers accurately reflect real-world performance. Tesla has historically issued range estimates that overstate what its cars can deliver, prompting widespread complaints from customers, according to some automotive testing experts and a Reuters investigation last year. Reuters reported in July that the automaker, about a decade ago, rigged the algorithm that controls in-dash range estimates in Tesla vehicles to give rosy projections of how far owners can drive before needing to recharge.

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