 
  Fail Comments
- 
  
  because the bus runs on water. 
- 
  
  The bus may run on diesel, but it still requires petroleum-based products for lubrication as well as the manufacture and maintenance of many of its parts. Stop being so mono-directional in your thinking (it IS a fail). 
- 
  
  He just rides the bus down the hills 
- 
  
  And this person will be voting in the next election. Scary, huh? 
- 
  
  Diesel is a petroleum distillate...made from crude oil. Educate YOURself 
- 
  
  Stop trying to help! 
 
    
  
because the bus runs on water.