Philippe Vessaire wrote:

For biodiesel cars, some people juste run a copper tube near exhaut and the
same job is done. These cars still need a pure diesel start and stop.

Biodiesel does _not_ require a petrodiesel start/stop fuel. You're
thinking of straight vegetable oil systems.

The only thing you need to do to convert a diesel vehicle to biodiesel
is pour it into the tank.


AP