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ENGLEWOOD, Colo.--(BUSINESS WIRE)-- In side by side performance, durability and emissions testing of small engines, gasoline blended with isobutanol performed better than blends using ethanol. Gevo, Inc. (NASDAQ:GEVO - News), a renewable chemicals and advanced biofuels company, provided the isobutanol to the Outdoor Power Equipment Institute (OPEI) and Briggs & Stratton (B&S), who tested both fuel blends in B&S small engines. The results demonstrated that unlike ethanol, blends incorporating isobutanol do not cause any irregular or unstable engine or performance issues. The outcome suggests that isobutanol blends at 12.5% could ease the pressure on moving to higher ethanol blends to meet biofuel mandates with no impact on small engines. Isobutanol is a drop-in fuel that requires no flex fuel engines, special blender pumps or pipelines.
"Briggs & Stratton is encouraged by the results of the isobutanol testing on our engines,? said Todd Teske, Chairman, President & CEO of Briggs & Stratton Corporation. "We are very interested in alternative fuels that do not cause damage to the substantial number of engines in use today while lessening the country's dependency on foreign oil."