BioLPG is a by-product of biodiesel production (HVO), which is extracted from residual products from sustainable raw materials such as animal fat and vegetable oils. The BioLPG is then part of the refinery's production process. The production of bioLPG supported by AvantiGas does not contain palm oil or Palm Fatty Acid Distillate.
The definition of BioLPG is that the gas comes from a biological source and not a fossil source. You can read more here https://www.wlpga.org/wp-content/uploads/2018/10/BioLPG-The-Renewable-Future-2018.pdf