"Both Lithium and Hydrogen will play their parts in the demise of IC powered forklifts" (exalt)
"Now you might still want to believe that hydrogen won't over take diesel within 5 years , but in 5 years' time will you still be in business" (exalt)
"yes hydrogen will be affordable for customers with a single truck, it will be all about the design of the truck. But in price comparison with the new developments in Hydrogen fuel cell for automotive this will help reduce the price for materials handling" (exalt)

And it gets better. Check the thread " What will 2016 bring".
Nothing wrong with speculating as long as you call them speculations. Not facts.