ALL POSTS TAGGED WITH aerial spraying
09/02/2017 / By Tracey Watson

A Silicon Valley startup company called Pyka is developing an autonomous (self-driving) plane to meet the burgeoning demand for planes

http://www.harvest.news/2017-09-02-drones-now-weaponized-as-chemistry-pesticide-delivery-platforms-to-inundate-farmland-with-toxic-chemicals.html