Methanol is not a catalyst in biodiesel production, it's a reactant. See: https://en.wikipedia.org/wiki/Biodiesel_production#Transesterification https://en.wik

Methanol is not a catalyst in biodiesel production, it's a reactant. See: https://en.wikipedia.org/wiki/Biodiesel_production#Transesterification https://en.wikipedia.org/wiki/Biodiesel_production#Transeste... This example shows ethanol but it works the same way with methanol.