NASHUA, N.H. — A research company is seeking funding to build a prototype autonomous, battery-powered flatcar that would serve as a platform for package-delivery drones. Cambridge Research & Development has applied for a patent for the con...
http://trn.trains.com/news/news-wire/2018/05/14-research-firm-touts-autonomous-battery-powered-flatcar-as-platform-for-drone-delivery
Brian Schmidt, Editor, Classic Trains magazine
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