 The best part? On Saturday and Sunday at the Carbondale & Basalt Exxon, when you purchase five gallons of gas, you get a premium car wash for only $5. So what are you waiting for? Get into the Exxon in Aspen, Carbondale & Basalt, get some grub and take advantage of the $5 car wash, earn points with every purchase, and don't forget about the all-new Bitcoin ATM. What you need when you need it, plus a little bit more.