Wedoany.com Report-Jan 8,Indonesia has clamped down on exports of used cooking oil (UCO) and palm oil residue to ensure supply to domestic cooking oil and biodiesel industries, the government said in a new regulation on Wednesday.

The step by the world's top producer and exporter of palm oil aims to help attain a new mandate starting from this year, of mixing 40% of palm oil-based fuel with diesel fuel, called B40, up from 35% previously, it said.