Computers decades ago were EXPENSIVE! Yep, they were still experimenting and all!
@ahsanzs
Yea, you are right! Times have changed; a hundred years ago my great grandma tells me half a kilo rice in 1 rupee! Yep, a rupees value was different.
In 20 years, well be on hydrogen fuel cell technology as Honda has made a few such cars and given to families in CA, USA.
BMW has made its 745h which is 745 hydrogen.
Yep, wait for 5-10 more years
Shell has made the worlds first hydrogen petrol pump in DC