Older buses belching out toxic fumes can make life unbearable for pedestrians in congested inner-city streets in Hong Kong. Photo: David Wong

Replacing old Hong Kong buses will save hundreds of lives, says study

If 5,000 vehicles built to earlier emission standards are replaced now with cleaner models, the health and economic benefits will be huge

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Older buses belching out toxic fumes can make life unbearable for pedestrians in congested inner-city streets in Hong Kong. Photo: David Wong
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