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But industry experts believe China's lithium reserves can not meet the surging domestic demand from electric car production.

But Liu said further advancements are needed, as perception technology for self-driving cars has not matured enough to be effective in complex driving environments.

But critics say the rhetoric doesn’t always square with Amazon’s policies. The ACLU and others are demanding Amazon stop developing products that aid in law enforcement. Amazon?announced it will stop selling facial recognition technology to police for one year, but the company’s Ring subsidiary continues to work closely with police departments across the country.

But in New York City, Mayor Bill de Blasio said Sunday that the city's beaches will not open for Memorial Day and he's not comfortable with people gathering outside bars.

But if you’re waiting to get one-day shipping for a fridge that knows your fruit has gone bad before you do, you might want to put those hopes on ice. Or look to similar spoilage-detecting gizmos that are already out there.