6th Annual World Fuel Altered Nationals: Eddyville, Iowa (Aug 18-19, 2011) 5th Annual World Fuel Altered Nationals: Eddyville, Iowa (Aug 19-20, 2010) 4th Annual World Fuel Altered Nationals: Eddyville, Iowa (Aug 20-21, 2009) 3rd Annual World Fuel Altered Nationals: Eddyville, Iowa (Aug 13-14, 2008) 2nd Annual World Fuel Altered Nationals: Eddyville, Iowa (Aug 15-16, 2007) Inaugural World Fuel Altered Nationals: Eddyville, Iowa (Aug 17, 2006)