Evaluating Marine Fuel Systems with E20 Gasoline
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Evaluating Marine Fuel Systems with E20 Gasoline
Harold Haskew & Associates, Inc
October 11, 2007
IBEX 2007
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Ethanol in Gasoline?
• Required by the 2005 Federal Energy Act
• Currently limited to 10% by volume
• Expanding Production Capability will soon exceed 10%
• 20% is being discussed
• How Might this Affect the Marine Industry?
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Petroleum Use Through 2006
Source: Energy information Admin/Annual Energy Review 2007
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Chinese Auto Production
Sources: International Organization of Automobile Manufacturers, (OICA), World Production Statistics.
0
1,000,000
2,000,000
3,000,000
4,000,000
5,000,000
6,000,000
7,000,000
8,000,000
9,000,000
Year of Production
Nu
mb
er
of
Ve
hic
les
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Auto Production in India
0
500,000
1,000,000
1,500,000
2,000,000
2,500,000
1 2 3 4 5 6 7
Production Year
Nu
mb
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of
Au
tom
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ile
s P
rod
uc
ed
Source: International Organization of Automobile Manufacturers, OICA Global Auto Production statistics.
2001 2002 2003 2004 2005 2006 2007
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http://www.ethanolrfa.org/
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Overview
• ABYC and NMMA are Sponsoring the Evaluation
• A Quick Look at Impact of 20% ethanol in gasoline on New Marine Systems
• Plastic and metal tanks included
• Sterling Testing Services in Milford, Michigan
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Test Hardware• Six Tanks on Test
– Three Aluminum (Florida Marine Tanks)
– Three Cross-linked Poly Ethylene (INCA)
• Delphi Marine Carbon Canisters
• Trident Hoses
• Perko Cap Hardware
• Racor LG50 Liquid/Air Separators
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Fuel System Content
Each fuel system contains
1. Tank w/level sender
2. Hoses
3. Vent with Separator
4. Carbon Canister
5. Cap
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Fuel Tank Description
• Florida Marine Aluminum Tanks– 23 gallon– 24 gallon– 25 gallon
• INCA Plastic Tanks– 11 gallon– 15 gallon– 28 gallon
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Delphi’s Carbon Canister
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Test Procedure
• 50% fill with E20 fuel
• Daily temperature cycle - 72 and 105°F
• Weekly drain half the fuel – Check Gauge – Return Fuel to Tank
• Monthly Fuel Change
• Three Month Exposure (Additional Exposure Option)
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Summary• ABYC and NMMA are sponsoring the E20
evaluation
• Tests underway at Sterling Testing Services, Milford, MI
• Initial results expected early 2008.