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Natural Gas fueled vehicles

353 messages,  Last post on Jan 03, 2009 at 6:37 PM

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#304 of 353
Re: Ford Contour Natural Gas Transmission Problems [bank1avp] by adea
Oct 05, 2007 (2:01 pm)
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Replying to: bank1avp (Oct 05, 2007 8:12 am)

Marty...like I said before...I know a mechanic that will have one rebuilt (like new) for $750 plus about $100-150 labor to take out the old one and install the new one. If you pay over $1000 you are paying TOO much.
Garry
#305 of 353
CNG stations - does it bother you? by epnfrn
Oct 09, 2007 (9:38 am)
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something that has always bothered me about public CNG stations is their means for pressurizing the gas. part of the reason i chose the GX (as with many of us) is the clean nature of the car. but every CNG station that i've been to has a big, ugly diesel engine that is used to pressurize the gas. often it is hidden away, but at my local Berkeley Trillium it is right next to the pumps, and often scares the hell out of me as it fires up. i don't know if all stations have such an inefficient way of doing things, but at the Trillium, i can not even fill my tank 5 GGE w/out the diesel engine kicking on and running for an excess of 5 minutes (i sat and timed it ... damn scientists always have to be some empirical). so 5 minutes of big pollution (this isn't one of the new breed of clean diesels) for my CLEAN lifestyle.
 
is anyone else bothered by this?? the net pollution of this combination must be worse than just running gas or even diesel. clearly, an electric compressor (as in Phil, FMQ) is the better way to go. and yes, i recognize that electricity is coming from some burning at the power plant, but this is infinitely more efficient than these big diesel engines.
 
thoughts?
#306 of 353
Re: CNG stations - does it bother you? [epnfrn] by marty2611
Oct 09, 2007 (9:46 am)
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Replying to: epnfrn (Oct 09, 2007 9:38 am)

That is interesting. Here in Utah, they have a regular car engine that is running on CNG to compress the gas. Not sure why a gas company would want to purchase Diesel to run their compressors.
#307 of 353
Re: CNG stations - does it bother you? [epnfrn] by adea
Oct 09, 2007 (10:00 am)
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Replying to: epnfrn (Oct 09, 2007 9:38 am)

I don't know if they use diesel engines here in AZ, but I do know that Trillium puts OIL into your system as I've had over $1300 in repairs now because of it, so even though there is a station less than 3 miles from me, I drive 28 miles once a week to get CLEAN fuel.
Garry
#308 of 353
Re: CNG stations - does it bother you? [epnfrn] by cnguser
Oct 09, 2007 (6:47 pm)
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Replying to: epnfrn (Oct 09, 2007 9:38 am)

Sounds like you found a real blooper!
Maybe a phone call or conversation with someone in charge at Trillium to ask why, and explain the environmental concerns. Then politely suggest they seriously need to get a clean diesel engine or convert to electricity.
Later on if nothing happens, contact the state or local DEQ agency, or CARB if they cover that area. I would think at minimum an air quality pollution (not to mention the noise) situation exists that should be investigated, etc. That application hardly qualifies as rural agricultural irrigation pumping needs...
#309 of 353
Re: CNG stations - does it bother you? [cnguser] by epnfrn
Oct 09, 2007 (9:10 pm)
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Replying to: cnguser (Oct 09, 2007 6:47 pm)

murphy -- good ideas, and i will start with calling them. i am concerned that further action would result in them leaving entirely ... which of course would suck, as they are the closest to my home (20mi).
 
thanks,
b
#310 of 353
Re: CNG stations - does it bother you? [epnfrn] by epnfrn
Oct 11, 2007 (7:55 am)
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Replying to: epnfrn (Oct 09, 2007 9:10 pm)

got a reply from Trillium, and they say the engine running the compressor in Berkeley is CNG-powered. i'm still amazed, given how loud and raucous it sounds ... other Berkeley users: does it sound like a diesel?? Murphy -- could a big CNG engine sound like a diesel? i'm happy if it is CNG
 
thanks,
b
#311 of 353
Re: CNG stations - does it bother you? [epnfrn] by rst
Oct 11, 2007 (9:00 am)
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Replying to: epnfrn (Oct 11, 2007 7:55 am)

cng powered diesel is probably what you are referring to
 
ST
#312 of 353
Re: Ford Contour Natural Gas Transmission Problems [bank1avp] by bob9876
Oct 15, 2007 (9:20 am)
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Replying to: bank1avp (Oct 05, 2007 8:12 am)

Murphy
You seem to know a lot about Contours. I bought one used a few months ago. It seems the compuvalve has gone and will only now run on regular gas. I had a certified mechanic check it out. He said the new ones are $1K to $1.5K.
Do you have any suggestions on where to get a used one from a reseller? Thanks.
 
Bob
#313 of 353
Re: Ford Contour Natural Gas Transmission Problems [bob9876] by cnguser
Oct 15, 2007 (9:07 pm)
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Replying to: bob9876 (Oct 15, 2007 9:20 am)

If your Contour is within 8 years / 80,000 miles since put in service, FORD will replace the compuvalve under warranty.
You did not mention the year or mileage so likely you are past the warranty.
Maybe try doing a phone or Internet search of auto dismantlers (junk yards) and find a used one...
Good luck.

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