As a business owner, if you use your vehicle for both personal and business purposes, you CANNOT pay for fuel from your business.

You can, however, deduct the cost that is related to the business use of that vehicle. To do this, you must log/separate your business miles from personal and substantiate them with records proving the business use.

When done correctly, the business use of your personal vehicle can add up to be a substantial tax deduction. Here is how to do it: