Submit New Prices Regular: Supreme Plus: Plus: Propane: Supreme: Diesel: Diamond Shamrock Cap. of TX Hwy. Austin, Texas, USA Fuel Vendor: Other Present Fuel Prices Regular Expired! Supreme Plus Expired! Plus Expired! Propane Expired! Supreme Expired! Diesel Expired! These prices were submitted by: piet on Sun, Jul 29 02:55AM. Currently Browsing: GasWars | USA | Texas | Austin | Diamond Shamrock   Auto-generated by GasWars Engine version 0.19 Copyright © 1999-2006, by GasWars Online. All rights reserved.