Natchez, Mississippi [RenewableEnergyAccess.com] U.S. Sustainable Energy Corp. (USSEC) announced its initial sale of 2,000 lbs. of carbon-based fertilizer to Vegetable Energy Group, LLC (Vee-Go Energy). Initial purchase comes after successful solubility and time-release tests that Vee-Go performed with Central Connecticut Cooperative Farmers Association. USSEC’s products are derived from a renewable source of feedstocks. Vee-Go is conducting further testing to see if the activated carbon in the fertilizer can remove toxins in the soil.