The IRS has released the 2010 Standard Mileage Rates

Here is the Basic Information

Beginning on Jan. 1, 2010, the standard mileage rates for the use of a car (also vans, pickups or panel trucks) will be:

50 cents per mile for business miles driven
16.5 cents per mile driven for medical or moving purposes
14 cents per mile driven in service of charitable organizations

For complete information please read this from the IRS website