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Among concerns is that burning ammonia produces polluting nitrogen oxides, which modern coal-fired plants are built to capture, but would require adaptations at gas power stations.

Amazon’s Silicon Valley-based hardware group has undergone a major restructuring, with several executive leaving the organization?over the past few months.

Among the capital's 16 districts, the four northern districts - Huairou, Miyun, Yanqing and Changping - have seen the average PM2.5 level in July drop below 60.

Amazon’s Relational Database Service (RDS) has officially opened to all users after three years of only being available to chosen Amazon Web Services customers.

Among retail companies that are watching Amazon drive a steamroller over their businesses, there’s a growing sentiment that there’s no reason to continue bankrolling that operation. AWS provides nearly all of the operating profit for the larger retail corporation, helping fund its (for now) money-losing international expansion and giving it cover with Wall Street.