Optional standard mileage rates for use of a vehicle will rise for 2015. Taxpayers can use the optional standard mileage rates to calculate the deductible costs of operating an automobile.

For business use of a car, van, pickup truck, or panel truck, the 2015 rate will be 57.5 cents per mile, up from 56 cents in 2014. Driving for medical or moving purposes may be deducted at 23 cents per mile, down from 23.5 cents in 2014.

The rate for service to a charitable organization is unchanged, set by statute (Sec. 170(i)) at 14 cents a mile