About one-fifth of the nitrogen dioxides in the Beijing-Tianjin-Hebei area last year were emitted by its 830,000 diesel trucks, the ministry said. Photo: EPA

Dirty diesel trucks are now the main roadblock in smog fight, Beijing warns

Number of big polluters on the road in northern China is still growing despite efforts to redirect freight to the railway system, environment ministry says

Topic |   China pollution

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About one-fifth of the nitrogen dioxides in the Beijing-Tianjin-Hebei area last year were emitted by its 830,000 diesel trucks, the ministry said. Photo: EPA
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