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Through the smog, tougher fuel standards take form

By Han Tianyang | China Daily | Updated: 2013-02-18 08:04

Through the smog, tougher fuel standards take form

Sharp contrasts in traffic congestion and air quality in the Tiantongyuan community of northern Beijing. Wu Chamgqing / For China Daily

Yet heavily polluting transient trucks pose challenge in capital

Through the smog, tougher fuel standards take form

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