[Vwdiesel] Lusting after efficiency

[Tad]

(sorry, Atkinson, not Miller, and apparently the answer is yes. )

On Mon, Jul 7, 2014 at 10:09 PM, Tad <tadc at europa.com> wrote:

> Doyt, interesting you don't mention it by name, but we have one too, and
> it's a good car.  Quite different from a VW diesel, but good in it's own
> way, and basically equivalent MPG.
>
> As for the diesel hybrid... I think there's a good reason we haven't seen
> one of those on the market.  For one, diesel wouldn't gain as much from the
> start/stop technology because it's far more efficient at idle.  Two, I
> suspect longevity issues from the stop/start due to, among other things,
> issues with keeping the system up to temp (which is hard enough in cold
> weather with a conventional diesel).  Third- cost.  The additional cost of
> a diesel plus the additional cost of a hybrid setup is a double-whammy.
>
> It makes me curious  though, is there such thing as a miller-cycle diesel?
>
>
>
> On Mon, Jul 7, 2014 at 5:36 PM, Mark Shepherd <mark at shepher.fsnet.co.uk>
> wrote:
>
>> And then there is Stirling- Electric
>> If ever I found a Syncro Q, over here, I'd probably try make it electric
>> drive on the back with regenerative braking. Diesel powered with a Stirling
>> Engine recovery of the
>> exhaust...Germany did a 1.8 gasser syncro.
>> ========================================
>> Message Received: Jul 07 2014, 06:32 AM
>> From: "Stephen Kraus"
>> To: "Doyt W. Echelberger"
>> Cc: "vw fans"
>> Subject: Re: [Vwdiesel] Lusting after efficiency
>>
>> Diesel electric can beat it. VW was testing a 70 MPG diesel hybrid.
>> On Jul 6, 2014 8:21 PM, "Doyt W. Echelberger"
>> wrote:
>>
>> > Back in the eighties I pampered an overwhelming lust for efficient
>> > transportation by acquiring a 1985 Jetta TD. I drove it until a few
>> years
>> > ago, and then moved the turbo to a naturally aspirated diesel engine in
>> a
>> > pristine low mileage 89 Jetta chassis. Part of that long relationship
>> with
>> > the 85 Jetta involved learning as much as possible about diesel
>> technology,
>> > largely by conversing with people on this list. But I recently
>> encountered
>> > something that rivaled the diesel solution. And you might find it
>> > interesting. A rival car joined our family and returned a 47 mpg
>> > performance using regular gasoline, over the same roads that I've been
>> > clattering around on for almost 30 years.......and that equals or beats
>> all
>> > my diesel experience with efficiency. I was pleasantly surprised to
>> > discover gasoline/electric engine technology invading that space.
>> >
>> > It gives me more choices. I like both of them, and look forward to a
>> > diesel/electric hybrid at some point in the future.
>> >
>> > Doyt Echelberger
>> > 89 Jetta TD
>> > 2014.5 Camry Hybrid
>> >
>> > _______________________________________________
>> > Vwdiesel mailing list
>> > Vwdiesel at vwfans.com
>> > http://www.audifans.com/mailman/listinfo/vwdiesel
>> >
>> _______________________________________________
>> Vwdiesel mailing list
>> Vwdiesel at vwfans.com
>> http://www.audifans.com/mailman/listinfo/vwdiesel
>>
>>
>> _______________________________________________
>> Vwdiesel mailing list
>> Vwdiesel at vwfans.com
>> http://www.audifans.com/mailman/listinfo/vwdiesel
>>
>
>