Standard mileage rate for 2004.
The standard mileage rate for the cost of operating your car, van, pickup, or panel truck
for 2004 is 37.5 cents a mile for all business miles.
Standard mileage rate available for small fleets.
Beginning in 2004, the business standard mileage rate may be used for as many as four
vehicles that you own or lease and use simultaneously.
Information courtesy of the Internal Revenue Service.
