Hongkongers used three per cent less electricity in 2013 than in 2000, adjusted for population changes, climate and economic growth, a new study has claimed.
But the commercial sector used 10 per cent more over the same period, possibly driven by large energy-intensive users like data centres, hotels and university campuses.
The energy efficiency index, devised by the World Green Organisation and Synergy Group in conjunction with energy modelling expert Dr William Chung Siu-wai of City...
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