BRP Showcases Promising Alternative Fuel During Miami Boat Show

Test rides to demonstrate promising results for biobutanol fuel blends in marine applications

Industry News

(SnoWest ED—Before you blow right by this, you might want to read this. We first heard about a new biofuel about a year ago when a snowmobile official was talking about how bad ethanol was for snowmobiles but a new biofuel might show some promise. That is why this news release caught our attention.)

Sturtevant, Wis. – BRP will showcase, through its Evinrude brand, the alternative fuel biobutanol, a promising second-generation biofuel, during test rides at the Miami International Boat Show.

BRP’s Evinrude engineers have been collaborating for four years with the National Marine Manufacturers Association (NMMA) and several engine and boat manufacturers in the testing of advanced alternative fuels for use in recreational marine engines and boats.

Supported by the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy and Argonne National Laboratory, BRP has been integral to the four-year comprehensive testing program that includes the American Boat and Yacht Council (ABYC) and other boat and engine manufacturers across the industry.

“Boaters have the opportunity to test how the fuel works first-hand here at the show, and that’s definitely part of the equation in creating interest and demand for this next-generation biofuel,” said Jeff Wasil, engineering manager in Emissions Testing, Certification and Regulatory Development for BRP’s Marine Propulsion Systems division. “We’ve been collaborating across the industry for several years and have published multiple papers on our findings. The data, paired with the experience, will definitely help us move the fuel conversation forward.”

Testing included measurements of gaseous and particulate engine exhaust emissions, combustion analysis, cold start, run ability, durability and more. The team tested many engine technologies from engine and boat manufacturers including 4-stroke carbureted and fuel-injected outboard engines, conventional 2-stroke carbureted outboard engines, stern drive engines and E-TEC direct fuel injection outboard engines.

Ongoing research in the industry has been exploring cost-effective fuel alternatives. Other higher ethanol blends such as E15 have caused issues in recreational marine engines, including fuel phase separation, fuel system compatibility issues and engine failures. These issues have driven the marine industry to explore alternative biofuel solutions like biobutanol.

The team accumulated thousands of marine engine and boat test hours in the study and the results suggest that biobutanol blends up to 16.1 percent can be used in marine engines and boats without deterioration of engine or boat performance. The researchers found no engine durability or exhaust emission failures throughout the test program.

Although the availability of biobutanol fuels at marinas and boat fueling stations is expected to take time, sharing marine industry research on biobutanol fuels is essential to creating a market and an adoption of this fuel.

All Evinrude engines continue to be approved for up to 10 percent ethanol (E10) fuels.

BRP's Evinrude engine line-up from 3.5 to 300 horsepower offers customers superior value across a full range of applications. Engines are available at authorized Evinrude dealerships worldwide. Become part of the online Evinrude community at and follow us on Facebook at

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