Hong Kong gov’t concedes world’s largest air purifier broke shortly after it was unveiled

Red-faced Hong Kong officials admitted on Tuesday that a record-breaking air filter for a new bypass under the city broke down shortly after it began operating. Hong Kong opened a long-awaited US$4.6 billion (HK$36 billion) tunnel under a 3.7 kilometre (2.3 miles) long section of the main island in late February with much fanfare. The bypass was greeted by traffic-weary […]