Technology Status of Hydrogen Road Vehicles
Technology Status of Hydrogen Road Vehicles
Technology Status of Hydrogen Road Vehicles
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FC/local methanol combination are the best; electrolytic hydrogen is worse by a factor <strong>of</strong> 2<br />
! Global emissions are given for the unusual Swedish energy mix <strong>of</strong> 95% non-fossil (nuclear plus hydro),<br />
5% hydrocarbons.<br />
A future FC/composite material family car could weigh only about 800 kg, and the FC could decrease to 40<br />
kW with 15 kW storage, giving the future energy consumption figures quoted above. The car performance<br />
would be similar to today’s, but consuming only 3 liters <strong>of</strong> gasoline equivalent per 100 km.<br />
The very high FC costs today (>$5,000/kW total <strong>of</strong> which >1200 for materials) must be reduced dramatically,<br />
and a figure as low as $49/kW for materials is advanced.<br />
Schock, R.N., et al., “The Transition to hydrogen as a transportation fuel: Cost and infrastructure<br />
requirements,” Lawrence Livermore N.L., California, USA, pp. 115-122.<br />
The 188 million cars and trucks in the United States were responsible in 1991 for 29% <strong>of</strong> NO x, 22% <strong>of</strong> HC,<br />
and 58% <strong>of</strong> CO emissions. Hybrid-electric hydrogen vehicles can today give a 250%-300% increase in fuel<br />
economy.<br />
They propose a highly efficient 30-kW ICE (or PEM FC) in hybrid combination with a 2-kWh storage feeding<br />
a 40-kW average electric motor driving a 1,140-kg (empty) car able to accelerate from 0 to 96 km/h in
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