[oldE]

DD74,

A few misconceptions in that article:

" it will harm the fuel injection on even the oldest diesels" The thing that screws older diesels is that they were designed to run with a certain level of sulphur in the fuel which served as a lubricant. Take that away and you start having fuel injection pump problems.

"The fuel also has to be warmed to flow through the engine, which in the case of bio-diesel conversions, requires the engine first run on regular diesel before switching over to the tank that holds the bio diesel" That would be used veggie oil, which has not had the glycerine removed. It is true that biodiesel will gel at a higher temp than winter-spec diesel, but until you get a few degrees below the freezing point you aren't going to notice.

You don't have to do anything to set up the engine for biodiesel if it has already been engineered to run on no/lo-sulphur fuels. Just pump it into the tank and go.

If you want to burn veggie oil (new or used), you will have to think about dual-fuel set-up, starting on diesel and switching back before shutting down, etc.

Have a good one.
Les