Providers that have travel reimbursement policies linked to the Internal Revenue Service mileage rate should take note. The IRS’s mileage rate for cars will be 58 cents per mile come Jan. 1, up 3.5 cents from the rate for 2018, the agency says in a release. A link to the IRS notice is online at www.irs.gov/newsroom/irs-issues-standard-mileage-rates-for-2019.