DES MOINES, Iowa – For over 30 years the Iowa Gas Swap Meet has been the premier gas and oil show in the country. The 2018 Iowa Gas Swap Meet will be held Wednesday, Aug. 1, through Friday, Aug. 3. Along with the swap meet, Iowa Gas also hosts an auction onsite at the venue. Route 32 Auctions of Crawfordsville, Indiana, will conduct the 2018 Iowa Gas Auction on Aug. 2-3. Absentee and Internet live bidding is available through LiveAuctioneers.