hydrogen fuel automobiles <desc> Description: Identify documents that discuss the use of hydrogen as a fuel for piston driven automobiles (safe storage a concern) or the use of hydrogen in fuel cells to generate electricity to drive the car. <narr> Narrative: A relevant document may discuss either hydrogen using fuel cells to electrically power automobiles or it may discuss the safe storage of hydrogen gas in a fuel tank through the use of metal hydrides for use in piston engines.



<num> Number: 382
<title> hydrogen fuel automobiles 

<desc> Description: 
Identify documents that discuss the use of hydrogen as 
a fuel for piston driven automobiles (safe storage a
concern) or the use of hydrogen in fuel cells to generate
electricity to drive the car.
 
<narr> Narrative: 
A relevant document may discuss either hydrogen using fuel 
cells to electrically power automobiles or it may discuss 
the safe storage of hydrogen gas in a fuel tank through 
the use of metal hydrides for use in piston engines.