 Gary Young Jan. 13, 2023 6:00 am For more than 15 years, Bio-Thermal-Energy, Inc. of Cedar Rapids B-T-E has developed and patented a technology which uses Landfill Gas as the feedstock to produce ethanol. Landfill Gas LFG is considered a greenhouse gas, so to produce ethanol with it benefits the environment by reducing these harmful ... Converting landfill emissions benefits environment... 