How much does biodiesel cost to produce?

The cost of producing biodiesel depends on a number of factors, however as a typical example it will cost 10-11p to produce (excluding the price of your oil).

Example: If your oil costs 20p per litre, then your biodiesel will cost you 30p per litre (approx). At the time of writing diesel is £1.25, meaning a saving of £0.95 or 76% per litre!