The IRS announced that due to higher gasoline prices, the standard mileage rates have been increased starting July 1, 2011, by 4.5¢. The last time the IRS increased the rate midyear was 2008.
Caution: The rate for charitable driving remains at 14 cents per mile. This is a rate fixed by statute and not by the IRS.
Source: IR-2011-69, June 23, 2011
An IRS examination of your tax return, generally limited to a three-year period after you file.