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5290 messages,  Last post on Oct 25, 2006 at 8:37 AM

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#5241 of 5290
Re: a sad story [tpe] by gagrice
Sep 28, 2006 (8:23 pm)

Replying to: tpe (Sep 28, 2006 4:03 pm)

Suburban that gets over 30 mpg
 
I think it is possible. Will it be as fast as one with a big gas V8? No If my Mercedes Sprinter conversion van can get 25 MPG weighing 8k lbs. I think that 5 cylinder diesel with the 5 speed Tiptronic could get 30 in a Suburban size vehicle. It would cruise all day at 80 MPH with that engine transmission combo. They are building one in Europe with a plug-in hybrid for city delivery. FedEx and UPS are buying them by the thousands. Until we get great batteries diesel is the best solution for economy in all but the smallest vehicles.
#5242 of 5290
Re: a sad story [gagrice] by tpe
Sep 29, 2006 (3:26 am)

Replying to: gagrice (Sep 28, 2006 8:23 pm)

I agree that with a diesel you would gain significant mileage, maybe 30%. A better transmission, probably another 1 mpg. I'm still doubtful you'd see 30 mpg, maybe highway miles. I also don't think there is all that big a corellation between engine power and mpg anymore. Especially for larger vehicles where reducing power might actually hurt mpg. I look at cars like the Camry where there is neglible difference in mpg between the 4 cyl and 6 cyl model. I think a few years back the Corvette was rated at as high a mileage as the Miata. In the last 10 years cars have gotten about 50% more powerful, which has resulted in people asking the question, "rather than make cars 50% more powerful why not make them 50% more fuel efficient"? It doesn't work that way.
#5243 of 5290
Good looking hybrid from Citroen by gagrice
Sep 29, 2006 (7:23 am)
Citroen in designing the car, was simply trying to illustrate that a more environmentally friendly sports car can be made, said Lafaury, who was the project leader.
"Currently, when you buy a sports car, you know it's an ecological problem," he said. He wasn't gushing in his view toward the market leader in hybrids, the Prius from Toyota
 "It's in production, so I have to respect that," Lafaury said. "But a diesel engine has lower emissions."

 
Citroen hybrid
 
Did I mention 0-60 in 6.2 seconds?
#5244 of 5290
Re: Good looking hybrid from Citroen [gagrice] by larsb
Sep 29, 2006 (8:39 am)

Replying to: gagrice (Sep 29, 2006 7:23 am)

gary says "But a diesel engine has lower emissions."
 
Lower than WHAT? That's a very vague statement.
 
Diesels emissions are:
 
Not lower than PZEV gasser hybrids.
Usually not lower than a SULEV gasser.
 
What was his point?
#5245 of 5290
Re: Good looking hybrid from Citroen [larsb] by gagrice
Sep 29, 2006 (9:57 am)

Replying to: larsb (Sep 29, 2006 8:39 am)

If you read the article attached you would know that was not my statement. It was the Citroen fellow's. I believe it will be proved that the MB Blutec is indeed cleaner than any comparably sized gas engine. The only question is do we trust the Americans to maintain the engine. I believe that Ford demonstrated a PZEV diesel hybrid a couple years ago. So I think the statement can and will be proven. I think the only thing Toyota has proven, is that, with enough money you can clean up a gas engine and make it PZEV. Too bad the technology is so complex and limited in its usefulness.
#5246 of 5290
Re: Good looking hybrid from Citroen [larsb] by terry92270
Sep 29, 2006 (10:28 am)

Replying to: larsb (Sep 29, 2006 8:39 am)

"Diesels emissions are:
  
Not lower than PZEV gasser hybrids.
Usually not lower than a SULEV gasser."

 
Generally that is true, there are some emissions that are less, but that is splitting hairs maybe...
 
Possibly they were speaking of most people's reality, a real life in a world that isn't filled with electric carts and SULEV automobiles.
#5247 of 5290
Re: Good looking hybrid from Citroen [gagrice] by larsb
Sep 29, 2006 (11:57 am)

Replying to: gagrice (Sep 29, 2006 9:57 am)

I knew it was not your statment Gary. I saw that it was a part of your italicized text.
 
Regardless, that's just his opinion I suppose, because so far the EPA has yet to rate even the cleanest diesel it has tested as high as the cleanest hybrid it has tested.
 
That might, as you say, change at some point, but so far it has not changed.
#5249 of 5290
Re: a sad story [tpe] by stevedebi
Sep 29, 2006 (12:55 pm)

Replying to: tpe (Sep 28, 2006 4:03 pm)

"I drove a Ford Pinto in college in the late 70's. This was definitely considered a compact, fuel efficient vehicle. I rarely got 20 mpg and that was only when I drove exclusively highway miles."
 
Do you realize that your 1970's Pinto probaby had a 3 - 4 Liter engine? I had a 1973 Gremlin myself - 232 Cu In, which is 3.8 liters. I could spin the wheels at stop lights, and it got about 22 MPG in all situations.
#5250 of 5290
Re: a sad story [stevedebi] by rorr
Sep 29, 2006 (2:00 pm)

Replying to: stevedebi (Sep 29, 2006 12:55 pm)

"Do you realize that your 1970's Pinto probaby had a 3 - 4 Liter engine?"
 
Ah, no.
 
From '71-'73 your engine choice was either a 1.6L or a 2.0L. From '74-'80 the base engine was the 2.3L Lima engine. The 2.8L Cologne V6 (making a HUGE 90hp ) was optional from '75-'79.
 
My best friend in HS had an early '70s Gremlin X; not sure what engine it had. He could spin the tires pretty easy from a stop but his car ran out of breath pretty quick (I used to be able to catch up to him on looooooooong straights in my '78 Corolla )

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