I think Linde and Jungheinrich have been working on alternate powered forkifts longer than any company based in Japan or the US. I worked for a Linde dealer back in 2000 and Linde had fuel cell forklifts working at customer sites in Europe already. If you are truly doing college research I would contact Linde or Jungheinrich and see how willing they are to help. The Europeans are leaps ahead of us in the realm of alternate powered forklifts.