ALTOONA, Pa. - It's a little known holiday, but Wednesday, July 17 is National Hot Dog Day.

To celebrate, Sheetz is serving up free hot dogs to customers through July 22.

You can score two free hot dogs with a purchase of at least 10 gallons of fuel in a single transaction.

The offer began Wednesday and is available at all 780+ Sheetz locations that offer fuel by adding it under the "OFFERZ" tab on the Sheetz app.

The Sheetz app is available on Apple and Android devices.