FREE 20oz Diet Coke Soda at Murphy USA

Murphy USA is offering Drive Rewards members a FREE 20oz Diet Coke Soda today, December 20th. No additional purchase is required. There will be a new offer added each day through December 24. If you're not a member yet, download the Murphy Drive Rewards app and you'll find the offer under Drive Deals. Check the app each day for a new free drink reward.