Delivering items with drones instead of trucks is likely to reduce carbon dioxide emissions for short-range trips, or on routes with few customers, according to a study conducted by transportation engineers at the University of Washington. The study, set for publication in Transportation Research Part D, suggests that trucks have the environmental advantage for longer-range trips and routes with lots of stops. Also, size matters.
Aerospace and science editor for GeekWire, creator of Cosmic Log, author of "The Case for Pluto: How a Little Planet Made a Big Difference," president of the Council for the Advancement of Science Writing. Check out "About Alan Boyle" for more fun facts.