New accounts only. Promotion applies to all gallons purchased during the first 6 months at Sunoco using the Sunoco SunTrakŪ Fleet Card and/or the Sunoco Universal Fleet Card. Promotion begins on the account open date. On regular and/or diesel fuel purchased at Sunoco with the SunTrakŪ Fleet Card or the Sunoco Universal Fleet Card. Rebates are subject to change at any time without prior notice.