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Jeff Kissel Charlie Freese

Presenters

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Hawaii Challenges

Hawaii imports most of its energy Hawaiis gasoline prices are among the highest in the United

States

Hawaiis electricity costs are the highest in the United States

Fuel surcharges affect the cost of more than 80% of thegoods sold in Hawaii

Hawaii has a high percentage of renewable energy resources

(e.g. wind), which challenges electrical grid stability

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Hawaii Clean Energy Initiative

National Partnership to Accelerate System TransformationThe goals are:

Achieve a 70% clean energy economyfor Hawaii within ageneration

Increase Hawaiis security

Capture economic benefits of clean energy for all levels ofsociety

Foster and demonstrate innovation

Build the workforce of the future

Serve as a modelfor the US and the world

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Advanced Propulsion Technology StrategyNo single silver bullet exists

Improved

Vehicle Fuel

Economy &

Emissions

Displace

Petroleum

Hybrid ElectricVehicles (including

Plug-In HEV)

IC Engine andTransmission

Improvements

HydrogenFuel Cell

Petroleum (Conventional & Alternative Sources)

Alternative Fuels (Ethanol, Bio-diesel, CNG, LPG)

Hydrogen

Electricity (Conventional & Alternative Sources)

Battery ElectricVehicles (EREV)

Time

Energy

Diversity

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Energy Carrier Properties: Onboard StorageWhy is petroleum the dominant transportation fuel?

46 L 260 L

43 kg 125 kg

System System

670 L

830 kg

System

Cell

540 kg

360 L

46 L 260 L

43 kg 125 kg

System System

Lithium Ion Battery100 kWh electrical energy

Fuel Fuel

33 kg 6 kg

37 L 170 L

Diesel Compressed Hydrogen 700 bar6 kg H2 = 200 kWh chemical energy

Weight & Volume of Energy Storage System for 300 mile Range

The challenge is to balance electric drive efficiency & energy cost advantages

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Light Load

Drive Cycle

Duty

Cycle

ContinuousStop-and-go

High Load

City HighwayIntra-urban Highway-cycle

Battery & Fuel Cell Technologies are both required within the portfolio

Application Map Meeting Customer NeedsThere is no single silver bullet

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Hydrogen Fuel Cell Technology

Fuel Cell Benefits: Zero emissions & Zero petroleum

Compared to internal combustionengine:

More than twice as efficient

Comparable precious metal

content

Comparable durability, range(300 miles) and performance

Fast refueling within 3 minutes

60% fewer part numbers

90% fewer moving parts Cold and hot operation capability

Family-sized vehicles

Synergy with renewable energy sources

Zero Emissions, Zero Petroleum, 2X Efficiency

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Production Intent DesignFuel Cell Propulsion System

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Key Elements: H2 Fuel Cell Vehicle

H2 Fuel cell technology is commercial ready Performance proven in field, durability proven in labs

Cost pathway identified, (higher than ICE, but comparable to other adv. tech.)

H2 infrastructure is achievable Must Establish Momentum Germany & Japan implementing H2 infrastructure plans

U.S. H2

infrastructure is achievable, with close Government-Industry cooperation

Develop technology & business models to drive down infrastructure costs

Stable government policy is key to infrastructure & vehicle programs Expanded Department of Energy role to

support early market introduction phases

Germanys H2 Mobility Template Market incentives

Establish customer pull-through for vehicles

As presented at NHA - - May 5, 2010

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Hawaii has an urgent need for new and renewable energy

resources to meet its goal of reduced petroleum usage

Oahu is ideally suited for hydrogen vehicle fueling

The Gas Company is unique in the United States in itsability to produce hydrogen as part of its synthetic naturalgas (SNG) production process from petroleum refiningbyproducts and from renewable resources (plant oils)

Why Hydrogen Hawaii?

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TGC is currently delivering about 5 percent H in its

utility gas (SNG) stream TGC has the capability of producing more H2 through

its renewable biogas initiative now underway

H blended with the utility gas can be separated

out through Pressure Swing Adsorption technology for

delivery at H fueling stations throughout the utility

pipeline infrastructure on Oahu

Why The Gas Company?

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Making H from Renewables

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Pressure Swing Adsorption:

Separating High Purity H2from Pipeline Gas Stream

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Why Oahu?

Controlled environment

Fuel no farther than a

10-minute drive

Fleet users available

Safe place to perfect

business model and

process

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TGC Infrastructure and the

Hydrogen Highway

TGC infrastructure follows the populated core on Oahu

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Public announcement in Hawaii for H2

Gain federal and state attention for both H2 and fuel cell

Ability to leverage existing pipeline for H2 distribution

A pathway for a significant H2 refueling infrastructure

Key Elements of Collaboration

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