Amazon.com Inc has won approval from U.S. federal regulators to test a delivery drone outdoors Amazon.com Inc has won approval from U.S. federal regulators to test a delivery drone outdoors, less than a month after the e-commerce powerhouse blasted regulators for being slow to approve commercial drone April 11, 2015 Business/Channel/IT Magazine/Magazine Advertisement india/Networking/New Feature/News/Product Launch/Social Media/Technology News