Originally Posted by svtcobra66
True, but atleast with biodiesel you could just substitute regular diesel or Jet-A. You wouldn't need to use it all the time, so if you can't find a place with biodiesel its not big deal, there are no changes necessary for a diesel engine to run it, its a straight substitute.
There can be pitfalls with running biodiesel in engines, it will make normal rubber seals in fuel pumps and fuel hoses swell and eventually fail. Also I do not think it is available at a lower cost than regular diesel ?