" From: farna@xxxxxxx " " Yes, hydrogen fuel cells that produce electricity, not burning hydrogen " gas. Big difference, especially as far as safety! Remember films of the " Hindenburg? remember also that all of the fire and nearly all of the damage was caused by burning -diesel-fuel- from the zep's engines. h2 is lighter than air, superheated steam is lighter than air... -that- fireball lifted up and away very rapidly. ________________________________________________________________________ Andrew Hay the genius nature internet rambler is to see what all have seen adh@xxxxxxxxxxxxxxxxx and think what none thought