Molasses can be added if used to produce ethanol.
You can add syrup, vinasse and filter cake to a Bonsucro EU RED scope if they are used to produce a product covered by the EU RED legislation. Members can proactively request EU RED requirements to cover all their productions. It must be noted though that the EU RED Standard is intended only for the purpose of the scope of the EU RED legislation and therefore might not provide adequate requirements to match alternative use of feedstock or specific clients' requests.