 Vivakor Inc NASDAQ:VIVK told investors it has signed a 10-year contract with Hot Oil Transport, LLC HOT, a supplier of asphalt materials, that could be valued at up to 250 million over the life of the deal based on current prices. The South Salt Lake City, Utah-based company explained that Hot Oil Transport in turn supplies to Southwest Liquid Asphalt Emulsions SLA, a major supplier of polymerized asphalt in Southern Nevada. 