How long would a diesel hybrid last?

"cr113" <cr113.TakeThisOut@hotmail.com> wrote in message
news:ffca1884-43d5-406a-bc14-eac5fe1c02ab@w7g2000hsa.googlegroups.com...
>
> From what I've been hearing the Prius should theoretically last longer
> than a normal gas car because the gas engine is run at optimal rpm's,
> the transmission has less moving parts and the electric engine lasts
> practically forever. If this is true, I wonder how long a diesel Prius
> would last?
>
> One other question. I heard that toyota was not going to make a diesel
> hybrid because of the cost. If the jump in efficiency from gas only to
> hybrid was worth the extra cost, why not gas hybrid to diesel hybrid?

A hybrid system costs anywhere from $3,000 to $5,000 more than a comparable
conventional gasoline engine, and a diesel costs anywhere from $1,000 to
$3,000 more than a comparable conventional gasoline engine. If you combine
the premium for a hybrid system and a diesel engine, the premium would be
somewhere between $4,000 and $8,000, which is probably more than most people
are willing to pay, and the break-even would be even longer than for a
gasoline hybrid system. In other words, the market for a diesel hybrid is
probably pretty limited.
--

Ray O
(correct punctuation to reply)
 >> Stay informed about: How long would a diesel hybrid last? 

On Jul 16, 5:02 pm, gnu linux <rob.fr... RemoveThis @gmail.com> wrote:
> On Jul 16, 2:06 pm, cr113 <cr... RemoveThis @hotmail.com> wrote:
>
> > From what I've been hearing the Prius should theoretically last longer
> > than a normal gas car because the gas engine is run at optimal rpm's,
> > the transmission has less moving parts and the electric engine lasts
> > practically forever. If this is true, I wonder how long a diesel Prius
> > would last?
>
> > One other question. I heard that toyota was not going to make a diesel
> > hybrid because of the cost. If the jump in efficiency from gas only to
> > hybrid was worth the extra cost, why not gas hybrid to diesel hybrid?
>
> A diesel hybrid = not a good combo (both have lots of torque @ low RPM
> + diesel's don't like to be shut down & restarted lots ...)

I hope toyota makes a small hybrid pickup. I'd kill for a small truck
that gets 40 mpg.
 >> Stay informed about: How long would a diesel hybrid last? 

cr113 wrote:
> From what I've been hearing the Prius should theoretically last longer
> than a normal gas car because the gas engine is run at optimal rpm's,
> the transmission has less moving parts and the electric engine lasts
> practically forever. If this is true, I wonder how long a diesel Prius
> would last?
>
> One other question. I heard that toyota was not going to make a diesel
> hybrid because of the cost. If the jump in efficiency from gas only to
> hybrid was worth the extra cost, why not gas hybrid to diesel hybrid?

There will be a 2009 Acura TSX diesel, with about 53 MPG highway/34
city. No point in complicating things with batteries and motors, since
you would get lower highway MPG, and only slightly better city MPG.

What's needed is a plug-in hybrid direct from the factory, not having to
get a stock hybrid modified for plug-in capability.
 >> Stay informed about: How long would a diesel hybrid last? 

On Wed, 16 Jul 2008 12:06:03 -0700 (PDT), cr113 <cr113 DeleteThis @hotmail.com>
wrote:

>From what I've been hearing the Prius should theoretically last longer
>than a normal gas car because the gas engine is run at optimal rpm's,
>the transmission has less moving parts and the electric engine lasts
>practically forever. If this is true, I wonder how long a diesel Prius
>would last?
>
>One other question. I heard that toyota was not going to make a diesel
>hybrid because of the cost. If the jump in efficiency from gas only to
>hybrid was worth the extra cost, why not gas hybrid to diesel hybrid?

I think a Diesel Hybrid could be made fairly easily if they throw
the same Prius technology at it. A diesel engine is more efficient at
extracting energy from fuel, and would be even better if it didn't
have to idle at standstill.

But it would need to be fully Bio-Diesel rated - B100 in warmer
climates. In snow belt areas you would have to switch to petroleum
diesel in the winter, unless you heat (and insulate) the entire fuel
tank to keep the fuel liquid.

Or two tanks, a little one to start on petroleum diesel, then warm
up the gelled peanut or soybean oil in the main tank. The computer
should be smart enough to figure it out on it's own.

Scale up the Hybrid Synergy Drive to the size of a Class 8 truck
(80,000 Lbs Gross) and NOW you have something. Especially if you
slave the GPS to the computer and the trip plan (including the driver
logbook) so the computer knows the upcoming terrain ahead. You blow
all the battery charge climbing that big grade, because you know there
is an equally long downgrade coming that will charge it back up.

(But it won't try that if your logbook shows you have to pull over
for some bunk time at the top of the hill. The battery charge will be
needed for the cab AC/Heat when parked.)

And the engine can shut off all the way down the backside of the
hill - there is an electric air compressor for the brakes and AC, and
between regenerative braking and brake resistor banks like in
locomotives (when the batteries are full) that is far more effective
than engine braking.

But for that one they would need a Vehicle Code waiver in many
states to make coasting with the engine off legal - or an over-eager
cop could make a whole lot of trouble...

--<< Bruce >>--
 >> Stay informed about: How long would a diesel hybrid last? 

On Jul 17, 5:18 pm, Bruce L. Bergman
<blnospamberg....TakeThisOut@earthlink.invalid> wrote:

> Scale up the Hybrid Synergy Drive to the size of a Class 8 truck
> (80,000 Lbs Gross) and NOW you have something.
On the current prius HSD, the battery/electric motor is capable of
propelling the car of up to what speed? assuming that the engine will
be not allowed to kick in on some speed and it will only be purely the
motor and batteries.
 >> Stay informed about: How long would a diesel hybrid last? 

On Jul 18, 11:20 am, "Willy" <w....RemoveThis@prodigy.net> wrote:
> "cr113" <cr....RemoveThis@hotmail.com> wrote in message
>
> news:ffca1884-43d5-406a-bc14-eac5fe1c02ab@w7g2000hsa.googlegroups.com...
>
>
>
> > From what I've been hearing the Prius should theoretically last longer
> > than a normal gas car because the gas engine is run at optimal rpm's,
> > the transmission has less moving parts and the electric engine lasts
> > practically forever. If this is true, I wonder how long a diesel Prius
> > would last?
>
> > One other question. I heard that toyota was not going to make a diesel
> > hybrid because of the cost. If the jump in efficiency from gas only to
> > hybrid was worth the extra cost, why not gas hybrid to diesel hybrid?
>
> Volkswagen is rumored to have plans to introduce exactly that for 2010. I
> just plunked down a deposit for an 09 Jetta TDI that will deliver 45-50 MPG
> on the highway with no batteries to contend with. My reason for not
> considering a Prius is that I drive 50-100K a year, and I just couldn't
> imagine replacing batteries in one year. The Jetta super green TDI diesel
> (the only diesel automobile in America approved in all 50 states) could
> easily deliver 250-300K without a hiccup.
>
> The next few years are going to be "interesting" to say the least for the
> auto industry.
>
> Willy

100k a year is 273 miles for 365 days a year, woah!
The prius has been around for ... say 10 years? There a small
significant of owners who said that the batteries have failed. But
still. good choice of vehicle for that yearly mileage.
 >> Stay informed about: How long would a diesel hybrid last? 

On Jul 18, 10:20 am, "Willy" <w... RemoveThis @prodigy.net> wrote:
> "cr113" <cr... RemoveThis @hotmail.com> wrote in message
>
> news:ffca1884-43d5-406a-bc14-eac5fe1c02ab@w7g2000hsa.googlegroups.com...
>
>
>
> > From what I've been hearing the Prius should theoretically last longer
> > than a normal gas car because the gas engine is run at optimal rpm's,
> > the transmission has less moving parts and the electric engine lasts
> > practically forever. If this is true, I wonder how long a diesel Prius
> > would last?
>
> > One other question. I heard that toyota was not going to make a diesel
> > hybrid because of the cost. If the jump in efficiency from gas only to
> > hybrid was worth the extra cost, why not gas hybrid to diesel hybrid?
>
> Volkswagen is rumored to have plans to introduce exactly that for 2010.  I
> just plunked down a deposit for an 09 Jetta TDI that will deliver 45-50 MPG
> on the highway with no batteries to contend with.  My reason for not
> considering a Prius is that I drive 50-100K a year, and I just couldn't
> imagine replacing batteries in one year.  The Jetta super green TDI diesel
> (the only diesel automobile in America approved in all 50 states) could
> easily deliver 250-300K without a hiccup.

I wish someone would make a small pickup that gets 35-40 mpg. Over the
last few years pickups have gotten bigger and bigger. The Tacomas and
Nissans are now classified as mid sized. I don't care whether it's
diesel or hybrid, I'm just tired of getting in the low 20s mpg. I
don't need to haul a lot of weight but trucks are so damn convenient
for carrying things like bikes, canoes, rug doctors, etc, etc.
 >> Stay informed about: How long would a diesel hybrid last? 

"cr113" <cr113.RemoveThis@hotmail.com> wrote in message
news:ffca1884-43d5-406a-bc14-eac5fe1c02ab@w7g2000hsa.googlegroups.com...
>
> From what I've been hearing the Prius should theoretically last longer
> than a normal gas car because the gas engine is run at optimal rpm's,
> the transmission has less moving parts and the electric engine lasts
> practically forever. If this is true, I wonder how long a diesel Prius
> would last?
>
> One other question. I heard that toyota was not going to make a diesel
> hybrid because of the cost. If the jump in efficiency from gas only to
> hybrid was worth the extra cost, why not gas hybrid to diesel hybrid?



Volkswagen is rumored to have plans to introduce exactly that for 2010. I
just plunked down a deposit for an 09 Jetta TDI that will deliver 45-50 MPG
on the highway with no batteries to contend with. My reason for not
considering a Prius is that I drive 50-100K a year, and I just couldn't
imagine replacing batteries in one year. The Jetta super green TDI diesel
(the only diesel automobile in America approved in all 50 states) could
easily deliver 250-300K without a hiccup.

The next few years are going to be "interesting" to say the least for the
auto industry.

Willy
 >> Stay informed about: How long would a diesel hybrid last? 

On Fri, 18 Jul 2008 06:54:36 -0700 (PDT), EdV <systmengr RemoveThis @hotmail.com>
wrote:

>On Jul 17, 5:18 pm, Bruce L. Bergman
><blnospamberg... RemoveThis @earthlink.invalid> wrote:
>
>> Scale up the Hybrid Synergy Drive to the size of a Class 8 truck
>> (80,000 Lbs Gross) and NOW you have something.
>
>On the current prius HSD, the battery/electric motor is capable of
>propelling the car of up to what speed? assuming that the engine will
>be not allowed to kick in on some speed and it will only be purely the
>motor and batteries.

Theoretically, you should be able to get up to full highway speeds
70-ish MPH on electric power alone.

As a practical matter, after about 15 - 25 MPH the computer figures
out you aren't in stop and go traffic (and liable to stop again) and
starts the engine.

The batteries are more useful for bursts of acceleration, and for
the slow creep moves in traffic without starting or idling the engine.

--<< Bruce >>--
 >> Stay informed about: How long would a diesel hybrid last? 

"Willy" ...
> Volkswagen is rumored to have plans to introduce exactly that for 2010. I
> just plunked down a deposit for an 09 Jetta TDI that will deliver 45-50
> MPG on the highway with no batteries to contend with. My reason for not
> considering a Prius is that I drive 50-100K a year, and I just couldn't
> imagine replacing batteries in one year. The Jetta super green TDI diesel
> (the only diesel automobile in America approved in all 50 states) could
> easily deliver 250-300K without a hiccup.
>
> The next few years are going to be "interesting" to say the least for the
> auto industry.
>
Why would you need to replace the batteries after 50K miles? There are Prii
with over 200K miles in service as taxis that are doing just fine.
Tomes
 >> Stay informed about: How long would a diesel hybrid last? 

"Bruce L. Bergman" <blnospambergman.RemoveThis@earthlink.invalid> wrote in message
news:hvq184darpbl56bb4knt7vdrnb1urhdpr8@4ax.com...
> On Fri, 18 Jul 2008 06:54:36 -0700 (PDT), EdV <systmengr.RemoveThis@hotmail.com>
> wrote:
>
>>On Jul 17, 5:18 pm, Bruce L. Bergman
>><blnospamberg....RemoveThis@earthlink.invalid> wrote:
>>
>>> Scale up the Hybrid Synergy Drive to the size of a Class 8 truck
>>> (80,000 Lbs Gross) and NOW you have something.
>>
>>On the current prius HSD, the battery/electric motor is capable of
>>propelling the car of up to what speed? assuming that the engine will
>>be not allowed to kick in on some speed and it will only be purely the
>>motor and batteries.
>
> Theoretically, you should be able to get up to full highway speeds
> 70-ish MPH on electric power alone.
>
> As a practical matter, after about 15 - 25 MPH the computer figures
> out you aren't in stop and go traffic (and liable to stop again) and
> starts the engine.
>
> The batteries are more useful for bursts of acceleration, and for
> the slow creep moves in traffic without starting or idling the engine.
>
I can get it up to 41 MPH with only electrics [flat or downhill], but it is
granny driving to do that. Only OK when no one is around. Then it turns on
the engine at 42. Then I can PriusFoot the engine off and go faster on
electrics again, but I have not done this as a real test to see how fast I
can get it to go this way.
Tomes
 >> Stay informed about: How long would a diesel hybrid last? 

This message is not archived
 >> Stay informed about: How long would a diesel hybrid last? 

On Fri, 18 Jul 2008 15:41:49 -0400, "Tomes" <ask.me DeleteThis @here.net> wrote:

>"Bruce L. Bergman" <blnospambergman DeleteThis @earthlink.invalid> wrote in message
>news:hvq184darpbl56bb4knt7vdrnb1urhdpr8@4ax.com...
>> On Fri, 18 Jul 2008 06:54:36 -0700 (PDT), EdV <systmengr DeleteThis @hotmail.com>
>> wrote:
>>
>>>On Jul 17, 5:18 pm, Bruce L. Bergman
>>><blnospamberg... DeleteThis @earthlink.invalid> wrote:
>> Theoretically, you should be able to get up to full highway speeds
>> 70-ish MPH on electric power alone.
>>
>I can get it up to 41 MPH with only electrics [flat or downhill], but it is
>granny driving to do that. Only OK when no one is around. Then it turns on
>the engine at 42. Then I can PriusFoot the engine off and go faster on
>electrics again, but I have not done this as a real test to see how fast I
>can get it to go this way.
>Tomes

I can Hemi-foot my Mercury Grand Marquis and get it up over 90 mph on
just the V8. But I have not done this as a real test to see exactly
how fast I can get it to go on just the V8.

Jack

PS: Sorry Tomes, I couldn't resist.
 >> Stay informed about: How long would a diesel hybrid last?