In 1999 we will ban the sale of leaded petrol. We will also introduce more stringent testing of and enforcement action against smoky vehicles, as well as working with the minibus trade to encourage them to move to using cleaner fuel.

• 我们还会由一九九九年起禁止出售含铅汽油，此外亦会采用更严格的验车标准，并加强检控，对付排放过量黑烟的车辆。 我们也会和小型巴士业人士磋商，鼓励他们改用更环保的燃料。