Reacting to sky-high fuel prices, the Internal Revenue Service announced that the optional business mileage reimbursement rate will increase from 50.5 cents per mile to 58.5 cents per mile on July 1, 2008. The new rate is scheduled through the end of the year, December 31, 2008. Workers who use their vehicles for business can use this standard mileage rate or deduct their actual expenses on tax returns. Many employers use the IRS standard rate when reimbursing workers who use their cars on the job. Besides the business mileage rate, the IRS also increased the mileage rate for deductible medical or moving expenses to 27 cents a mile, up 8 cents. The rate for providing services for charitable organizations, which is set by Congress, remains at 14 cents a mile.