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American Airlines rose 6.49 percent. Delta added 7.71 percent. United rose 10.94 percent.

Ammonia, composed of hydrogen and nitrogen, is already produced en masse from fossil fuels and exported worldwide to make fertilizer. It maintains a liquid state at around minus 33 C, meaning it is much simpler and cheaper to transport than liquid hydrogen at minus 253 C.

Among the new growth engine products, biopharmaceutical product exports advanced 24.5 percent last month on demand for biosimilars and medical devices.

Among the C919's first batch of customers, HNA signed orders with COMAC for 15 C919 aircraft in 2010.

Amazon’s decision to?open the digital brain up?to developers and device manufacturers in 2015 has contributed to its early lead in the competitive smart speaker race.?In August, Amazon introduced a?new set of tools?to help commercial device makers build the technology into their products.?Amazon also last April?opened up?what amounts to Alexa’s ears, her 7-Mic Voice Processing Technology, to third party hardware makers who want to build?the digital brain into their devices. Amazon opened up Amazon Lex, the artificial intelligence technology that powers Alexa to developers.