ASB Biodiesel's plant in Tseung Kwan O.

Biodiesel companies want stricter regulation on waste oil

The recent gutter oil scandal leads to calls to set up a licensing system

Elaine Yau

Published: 10:30am, 17 Oct, 2014

Updated: 9:23pm, 20 Oct, 2014

ASB Biodiesel's plant in Tseung Kwan O.

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