Use this form to figure your biodiesel and renewable diesel fuels credit. Claim the credit for the tax year in which the sale or use occurs. This credit consists of the: Biodiesel credit, Renewable diesel credit, Biodiesel mixture credit, Renewable diesel mixture credit, and Small agri-biodiesel producer credit. Current Revision Form 8864 PDF Instructions for Form 8864 (Print Version PDF) Recent Developments None at this time. Other Items You May Find Useful All Form 8864 Revisions About Publication 510, Excise Taxes (Including Fuel Tax Credits and Refunds) Other Current Products Related Items About Form 720, Quarterly Federal Excise Tax Return About Form 4136, Credit For Federal Tax Paid On Fuels About Form 8849, Claim for Refund of Excise Taxes