Text this: Performance and emissions of a modified small engine operated on producer gas

 __   __   _    _    _    _      ___      ______  
 \ \\/ // | || | || | || | ||   / _ \\   /_____// 
  \   //  | || | || | || | ||  / //\ \\  `____ `  
  / . \\  | \\_/ || | \\_/ || |  ___  || /___//   
 /_//\_\\  \____//   \____//  |_||  |_|| `__ `    
 `-`  --`   `---`     `---`   `-`   `-`  /_//     
                                         `-`