| http://www.w3.org/ns/prov#value | - say Hong Kong lags behind the rest of the world on environmental issues ranging from recycling to cycle lanes.And when it comes to shipping, while vessels calling in northern Europe and North America are mostly restricted to fuels with 1% or less sulphur content, Hong Kong allows 3.5%.Last year however, it did introduce a voluntary scheme in which ships using 0.5% or less are given a 50% discount
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