Standard Mileage Deductions. When using your car for any tax deductible purpose, you can either deduct the actual costs of operating the vehicle or take the standard mileage deduction rates. Costs of operating the vehicle can include gas, depreciation, fees, tolls, repairs, insurance and gas.ou are not allowed to deduct any amount of money for services that you provide to charities. However, if you drive your vehicle to and from a charitable activity, you can deduct tolls, parking and mileage. Mileage driven for charities was deducted at a rate of 14 cents per mile for 2013.