U.S. regulators give Amazon go-ahead for drone tests

By Alwyn Scott SEATTLE (Reuters) - Amazon.com Inc has won approval from U.S. federal regulators to test a delivery drone outdoors, as the e-commerce company pursues its goal of sending packages to customers by air, even as it faces public concern about safety and privacy. The Federal Aviation Administration said on Thursday it issued an experimental airworthiness certificate to an Amazon business unit and its prototype drone, allowing test flights over private, rural land in Washington state. Th