A friend started running his '06 Ram Cummins with one. His computer picked up 2mpg. Actual odometer mileage? I haven't heard yet. He did say it blew a lot of black crap out. He runs cross country with this. Monday was his first day out.

It uses the diesel as an ignitor like a spark plug.

He talked to a guy that drove from Naples Fl to Tampa and back and averaged 48mpg in a Mercury Marquis. I didn't ask what year.

Said he used Perrier to start the new system, then distilled after that. His system only holds about 2 liters.

If this works you are just more thourghly burning the diesel. Oil change intervals should go up too. Lower emissions would be a nice thing with my slider open! I quit buying B20 because it was so expensive.