The Japanese automobile industry was still flying high in 1991 - and a lot of industry money and public attention was spent on the auto show that year. Foreign manufacturers were also pushing to get a better foothold in the Japanese market, in contrast to some large companies not even bothering to display anything at the last show (although private import companies displayed some of these missing companies' vehicles). For a look back at 1991, see this video (the second one covering the show that day):
Beyond the cars, the people had different hairstyles, hair colors, eyebrow thicknesses, and were wearing different clothes. I'm not sure what to think about the car industry - considering how many cars the world's manufacturers are capable of pumping out every month, you have to wonder if it makes any sense to fill up the world with fire-breathing machinery. Something without the internal combustion might be nice - electric?.....
Lyle (Hiroshi) Saxon