>  Black smoke is unburnt
>Diesel coming out the pipe - if the driver slacked off the accelerator pedal
>to the point of the smoke being only a trace then they would find they have
>the same pulling power - it is all the adjustment of the injector pump (or
>add most boost to compensate for the extra fuel available).

Dirty or eroded injectors are also a cause. Also fuelpump mistiming.

>People think
>more Diesel is better when it isn't -

Tell that to "mechanics" in third-world countries

>  it is just wasteful and hard on the
>environment when it comes out the exhaust pipe.

It also causes cylinder wash, resulting in accelerated piston/ring/bore wear.

>You are right, veggie Diesel is fantastic stuff - biodegradable soot, better
>lubrication of the injector pump, green house gas neutral.

I wanna try mine on propane... anyone have any idea how?