Actually, there isn't much "connversion" to do for biodiesel. You can run it without modification in any diesel vehicle.
The only real concern you might have is the natural rubber fuel lines used in pre-1990 diesel vehicles. Biodiesel can contain a small amount of alcohol left over from processing (particularly if you make it yourself rather than buy it at a pump) which can eat the rubber eventually.
In this case, the only "conversion" step would be to replace the old fuel lines with newer synthetic rubber lines that aren't affected by alcohol.
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Like RedHat Enterprise Linux, plus it just plain works.
Actually, there isn't much "connversion" to do for biodiesel. You can run it without modification in any diesel vehicle.
The only real concern you might have is the natural rubber fuel lines used in pre-1990 diesel vehicles. Biodiesel can contain a small amount of alcohol left over from processing (particularly if you make it yourself rather than buy it at a pump) which can eat the rubber eventually.
In this case, the only "conversion" step would be to replace the old fuel lines with newer synthetic rubber lines that aren't affected by alcohol.