Hybrid Car – More Fun with Less Gas

Smart people buy Priuses - Page 6

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Posted by Jeff DeWitt on July 23, 2007, 11:09 pm

Mike Rosenberg wrote:

What is it going to cost to replace the batteries when they go bad?  How
about those two motor/generators?

Some of us keep our cars for a really long time, I've got well over
300,000 miles on my little Cherokee and have no plans to replace it.
What is going to happen to a Prius as it gets really high mileage?
Those cars are a lot more complected then a conventional car.


There is a lot to be said for the KISS principal.

I think the current hybrid technology is very much a transitional
technology, much as the turboprop was.  Technologies like GM is
developing for the Chevy Volt are going to become a lot more common than
current hybrid technology.


Jeff DeWitt

Posted by Michelle Steiner on July 23, 2007, 11:41 pm

What makes you assume that they're going to go bad?

*Any* technology is transitional technology.  But I'd rather have a
hybrid now than have a gas guzzler now.  It's like computers; no matter
when you buy one, a better model will be coming along sooner or later.

Support the troops:  Bring them home ASAP.

Posted by Jeff DeWitt on July 24, 2007, 12:04 am

Michelle Steiner wrote:

What makes you think they won't?  EVERYTHING wears out eventually.  That
isn't a dig against Toyota, that's real life/

Well to a point, but basic automotive technology hasn't changed that
much in over 50 years... the engine and drivetrain in my 1960 Studebaker
Champ isn't much different than the engine and drivetrain in a new
F150... V8, stick, driving the real wheels.

The Prius is very different, and when things settle down again the
drivetrain in a mainstream car may be quite different from today, but it
won't be much like a Prius either.

Jeff DeWitt

Posted by Michelle Steiner on July 24, 2007, 2:19 am

That doesn't mean that they will go bad before the internal combustion
engine goes bad.  That doesn't mean they will go bad before the body
rusts out.  They have fewer moving parts than the ICE, so I'd expect the
ICE to go bad before either of them do.

And that's a reason not to buy a Prius today?

Support the troops:  Bring them home ASAP.

Posted by Jeff DeWitt on July 24, 2007, 4:14 am

Michelle Steiner wrote:

BATTERIES?!?  If that engine is anything like most modern engines it
should be good for 10 years and 150,000 miles or so, are the batteries
going to last that long?  And those motor/generators, does anyone really
know how long they are going to last?  I've heard they had real problems
with them in first generation Prius's.

Well yes.  Oddball technology is harder to get fixed when it starts
aging.  It may be (will probably be) that hardly anyone except the
dealer will be able to work on the things, and when it gets to be 10 to
20 years old the dealer may not be able (or willing) to either.

Jeff DeWitt

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