Evaluating Marine Fuel Systems with E20 Gasoline

Harold Haskew & Associates, IncOctober 11, 2007

IBEX 2007

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?

Petroleum Use Through 2006

Source: Energy information Admin/Annual Energy Review 2007

Chinese Auto Production

Sources: International Organization of Automobile Manufacturers, (OICA), World Production Statistics.

01,000,0002,000,0003,000,0004,000,0005,000,0006,000,0007,000,0008,000,0009,000,000

Year of Production

Num

ber o

f Veh

icle

s

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

Num

ber o

f Aut

omob

iles

Prod

uced

Source: International Organization of Automobile Manufacturers, OICA Global Auto Production statistics.

2001 2002 2003 2004 2005 2006 2007

http://www.ethanolrfa.org/

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

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

Fuel System Content

Each fuel system contains

1. Tank w/level sender2. Hoses3. Vent with Separator4. Carbon Canister5. Cap

Fuel Tank Description

• Florida Marine Aluminum Tanks– 23 gallon– 24 gallon– 25 gallon

• INCA Plastic Tanks– 11 gallon– 15 gallon– 28 gallon

Delphi’s Carbon Canister

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)

Summary• ABYC and NMMA are sponsoring the E20

evaluation

• Tests underway at Sterling Testing Services, Milford, MI

• Initial results expected early 2008.