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The man behind the only electric plane cleared to fly quickly discovered the challenges of converting world-leading technology into profits in a hotly contested, futuristic segment of aviation.

The expected increase in commercial drone operations such as delivery flights is prompting accident investigators to expand the types of aviation crashes they plan to review.

Manna has raised $25 million to expand its drone fleet’s operations, including the addition of delivery services for prescription medical supplies and an initial expansion into the U.S.

Alphabet Inc.’s Wing Aviation is asking U.S. regulators to allow it to expand drone operations as a way to make more efficient deliveries controlled from a central command post.

Electric aircraft such as drones could account for 30% of same-day package deliveries by 2040 as network scale dramatically brings down costs, according to L.E.K. Consulting.

Google asked the U.S. Federal Aviation Administration for permission to test drones to research how the technology can help monitor and control fires.

Commercial U.S. drone flights are set to receive a huge boost as soon as the week starting Dec. 28 with requirements that most of the devices must transmit a radio beacon with a digital license plate.

The challenge of ensuring equitable distribution of the coronavirus vaccine is one of global scale, and the city of Miami provides a backdrop for the social and economic divides that the medical community must overcome.

Amazon­.com took a leap toward delivering goods from the sky by becoming one of only a few companies certified by the U.S. government to operate as a drone airline.

Walmart Inc. is entering the drone delivery wars, its latest move to counter Amazon.com Inc.’s dominance in e-commerce as more Americans choose to shop from home.