When you look at the increased range and payload possible with the DA40
with
a diesel engine, due to its significantly lower fuel consumption, you'd be
crazy to buy anything but a diesel, unless there are issues with the
newness
of the engine.


Exactly, the problem. In addition , the American market has been less
forgiving and experimental than the european market. I don't know why. But
that seems to be the belief of the manufacturers.

The margins are low, and the risks are high, and so less chances will be
taken here than over there.