Diesel for Diamond DA40?

On 2007-05-22, Greg Copeland wrote:
Okay, seems I stand corrected. Just FYI, I looked this morning and
diesel fuel is 18% heavier. I had also assumed that they had placed a
FADEC setup on the Lyc, thusly greatly improving its effeciency too.
Guess not. Many people don't realize that much of the effeciency
associated with these engines comes from FADEC rather than diesel in
of it self.

I'm not sure that's really true either - in the automotive world
(certainly on this side of the planet) where diesel cars are common, an
equivalent performance diesel powered car has significantly lower fuel
consumption than a petrol (gasoline) powered car. Both are completely
FADEC (most modern cars don't even have a physical linkage from the gas
pedal to the engine any more). Diesel engines are considerably more
thermodynamically efficient.

Even the old mechanical injection turbodiesels will get better fuel
economy than a brand new gasoline car of the same power output. It's
probably why the Prius just isn't selling over here - why spend that
much money on a hybrid, when you can get a diesel car with the
equivalent fuel economy for less money?

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