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Businesses have been affected in several ways, but members listed increased costs of manufacturing (47.1 percent) and decreased demand for products (41.8 percent) as the two most significant downsides.

Bright colors light up the city in this night view of Guangzhou, South China's Guangdong province, on Sept 10, 2018. [Photo/VCG]

Bray said he quit to protest the firings of whistleblowers sounding the alarm about COVID-19 risks. (The controversy is continuing, with nine U.S. senators asking Amazon CEO Jeff Bezos for more information about the firings.)

Braasch said the type of radar technology being developed by Echodyne, plus laser-based?sensors under development at Velodyne and many other companies, should solve the sense-and-avoid problem within the next few years.But uUntil then, drone deliveries in the United States are likely to be restricted to closely watched experiments like Project Wing’s burrito run.

Britain's Prudential Plc and Canada's Sun Life Financial Inc are among insurers who expressed interest in recent months in owning more of their China operations.