Use Form 4136 to claim: A credit for certain nontaxable uses (or sales) of fuel during your income tax year. The alternative fuel credit. Aa credit for blending a diesel-water fuel emulsion. Current Revision Form 4136PDF Instructions for Form 4136 (Print Version)PDF Recent Developments None at this time. Other Items You May Find Useful All Form 4136 Revisions About Publication 225, Farmer's Tax Guide About Publication 510, Excise Taxes (Including Fuel Tax Credits and Refunds) Other Current Products