Naviuekum (The Butterfly Dream) by Young Kee Kim from korea

Naviuekum is eastern philosophy :
The Butterfly Dream.
[Once upon a time, I dreamt I was a butterfly...Suddenly I awoke...Now, I do not know whether I was then a man dreaming I was a butterfly, or whether I am now a butterfly dreaming that I am a man. ]

Transportation of energy recycling system.
This vehicle has the truck going by generator system.