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CNG cars that run on natural gas

 
Anonymous Coward
User ID: 72257798
United States
12/14/2019 06:08 PM
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Re: CNG cars that run on natural gas
i owned one and here is a list of negatives .

limited stations i was always running out.
head went after 70k
tank takes up to much space
half the stations you go to need serviced or are broken.
engine light always on.

only good thing was it was great mpg and cheap.
Anonymous Coward
User ID: 75631047
United States
12/14/2019 06:15 PM
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Re: CNG cars that run on natural gas
How will CNG cars be in USA. Tesla will go down forever.
 Quoting: Anonymous Coward 76789521


Terrebonne

User ID: 1089348
United States
12/14/2019 06:32 PM

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Re: CNG cars that run on natural gas
Nothing new about this. I was driving a CNG Vehicles in the 70s around Los Angeles at my work as a serviceman.

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MlCHAEL

User ID: 75756457
Canada
12/14/2019 06:54 PM
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Re: CNG cars that run on natural gas
The problem is with a barrel of oil and how it breaks down.

"On average, U.S. refineries produce, from a 42-gallon barrel of crude oil, about 19 to 20 gallons of motor gasoline, 11 to 12 gallons of distillate fuel, most of which is sold as diesel fuel, and 4 gallons of jet fuel."

You still have to refine enough oil to keep the aeroplanes in the air.

Lets say you replace the need for gasoline.

That works out to the production of 39 Million barrels a day of waste byproduct called Gasoline.

Even if you replaced 99% of a barrel of oil but still required 1% to sustain the global system.

You would need the current global petroleum production system to obtain it.

Last Edited by HYpEr7l93r on 12/14/2019 06:55 PM
MlCHAEL
Anonymous Coward
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United States
12/14/2019 06:55 PM
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Re: CNG cars that run on natural gas
This is not new technology. Fleets around the country from municipal cars and trucks to city buses have operated for several decades now on natural gas. Get up to date
Noctilus

User ID: 70377629
Czechia
12/14/2019 06:56 PM
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Re: CNG cars that run on natural gas
CNG is fine, lots of cars in this country are modded for LPG too. CNG is now rolled out of the factory. I personally thought about going for CNG with my last car, but in the end I needed the trunk space + you cannot park in underground garages with them here (which is essential for me). But they are very nice and efficient.
MlCHAEL

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Canada
12/14/2019 07:03 PM
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Re: CNG cars that run on natural gas
Propane used to be considered a waste byproduct of the petroleum production and was just flared or burnt off in mass quantity to get rid of it for decades.

Massive amounts of natural gas in the USA is flared off

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MlCHAEL
Anonymous Coward
User ID: 78143174
12/14/2019 07:17 PM
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Re: CNG cars that run on natural gas
2 ways to go with cng bifuel or dedicated.
Bi fuel gives you the ability to switch over after you run down the cng and are not near a refuelling station.
We had a dedicated van in the 90s that had 14to1 pistons in it. Have not seen that since the 60s 70s when super high octane fuel was available. That thing had a 360 in it and ran like a raped ape but even with 3 to 4 tanks in it only got 150 to 175 range.
With cng you can run higher compression engines.
jonk

User ID: 78252253
Australia
12/14/2019 07:29 PM
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Re: CNG cars that run on natural gas
I have had multiple CNG and LPG cars over the last 30 years.
CNG is gutless but cheap, LPG about 8o% power of petrol but half the price.
I have T-boned a truck and had a head on collision on highway, both in CNG vehicles. No flaming fireball.
Eventually you miss the power on CNG, no good on hills or for towing. LPG good for both but need to refill twice as much as petrol.

.
 Quoting: Toejamsoup


LPG 80% the power of petrol?!

Got a Ford Territory with the Orbital LPG liquid Injections System. Uses 12 to 14 litres per hundred kilometres. It starts on petrol. If you floor it hard, it reverts to petrol. So here's the thing, when it runs on LPG, it feels almost v8 like, even though it's a Barra straight six/4 litre.

If I could have it run LPG only, I would. Just paid .76c/litre this morning to fill it up. $46 was the cost.

Last Edited by jonk on 12/14/2019 07:29 PM
Toejamsoup

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New Zealand
12/14/2019 07:49 PM
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Re: CNG cars that run on natural gas
I have had multiple CNG and LPG cars over the last 30 years.
CNG is gutless but cheap, LPG about 8o% power of petrol but half the price.
I have T-boned a truck and had a head on collision on highway, both in CNG vehicles. No flaming fireball.
Eventually you miss the power on CNG, no good on hills or for towing. LPG good for both but need to refill twice as much as petrol.

.
 Quoting: Toejamsoup


LPG 80% the power of petrol?!

Got a Ford Territory with the Orbital LPG liquid Injections System. Uses 12 to 14 litres per hundred kilometres. It starts on petrol. If you floor it hard, it reverts to petrol. So here's the thing, when it runs on LPG, it feels almost v8 like, even though it's a Barra straight six/4 litre.

If I could have it run LPG only, I would. Just paid .76c/litre this morning to fill it up. $46 was the cost.
 Quoting: jonk


In a 73' HQ holden, 202, yep. About 80% power of petrol.

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How about you and I play a game of fuck off...you go first.

Hard headed fuck you all,
Just add it to the hot rod death toll ...

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Why do they always send the poor?
fritzberkowitz NLI
User ID: 77996828
United States
12/14/2019 07:55 PM
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Re: CNG cars that run on natural gas
ANY AND I MEAN ANY INTERNAL COMBUSTION ENGINE can run on any kind of fuel, gas, hydrogen, natural or propane gas, wood gas, just need to tweek the intake to accept whatever fuel is supplied. hydrogen is the ultimate fuel... the most aboudant and prevelent element in our universe.. just saying...
Anonymous Coward
User ID: 73327673
Canada
12/14/2019 07:58 PM
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Re: CNG cars that run on natural gas
Sure, It works. Lots of the taxis in thailand have it. But, the ones that do have a great big tank in their trunk, so big that there really isn't any room for stuff in there.

Keep in mind that a gallon of liquid NG or Propane doesn't have as much energy in it as a gallon of gasoline. Not by a long shot.

There aren't many stations that can fill em up, and the ones that are out there always have a really long line and it takes a while.
Robert55
User ID: 77272669
United States
12/14/2019 09:31 PM
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Re: CNG cars that run on natural gas
CNG cars that run on compressed natural gas

Video: [link to youtu.be (secure)]



 Quoting: Anonymous Coward 76790520


Natural gas can be liquefied. You know that right? LNG. Compressed natural gas.......Pfffffffff


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Anonymous Coward
User ID: 77843162
United States
12/14/2019 09:45 PM
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Re: CNG cars that run on natural gas
Bought a CNG truck and then they closed all the CNG fillup stations here in southern California! FREAKIN LIBTURKS! Sold the truck for pennies on the dollar!
Anonymous Coward
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United States
12/14/2019 09:46 PM
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Re: CNG cars that run on natural gas

CNG cars that run on compressed natural gas

Compressed natural gas? Yep, that seems safe.


 Quoting: Anonymous Coward 76790520


Technology has been on the road for years already, just isn't more widespread.
ol' scratch
User ID: 73327673
Canada
12/14/2019 09:52 PM
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Re: CNG cars that run on natural gas
Just to keep things understandable...

As the nat gas or propane is pressurized it changes states from a gas to a liquid.
Anonymous Coward
User ID: 78173554
United States
12/14/2019 10:03 PM
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Re: CNG cars that run on natural gas
Just to keep things understandable...

As the nat gas or propane is pressurized it changes states from a gas to a liquid.
 Quoting: ol' scratch 73327673


The natural gas does not compress to a liquid in CNG vehicles, only propane does.
Anonymous Coward
User ID: 77269296
India
12/14/2019 10:05 PM
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Re: CNG cars that run on natural gas
we already have this and busses that run on CNG here in the US.
 Quoting: JAZZz50


CNG cars, CNG vehicles, buses etc.. is good for China and India
Anonymous Coward
User ID: 77269296
India
12/14/2019 10:09 PM
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Re: CNG cars that run on natural gas
Only bad feature is explosion risk due to collision. Outside of that, you can use natural gas with hqrdly any processing at all
 Quoting: Anonymous Coward 77118985


Electric cars also have the same bad feature. High risk of explosion after accidents.

Actually petrol cars are safe. 1,000,000,000 petrol cars worldwide. How many ?
Terrebonne

User ID: 1089348
United States
12/14/2019 10:33 PM

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Re: CNG cars that run on natural gas
Just to keep things understandable...

As the nat gas or propane is pressurized it changes states from a gas to a liquid.
 Quoting: ol' scratch 73327673


Boyle's law

Boyle's law, most often referred to as the Boyle–Mariotte law, or Mariotte's law, is an experimental gas law that describes how the pressure of a gas tends to increase as the volume of the container decreases. 50%<

[link to en.wikipedia.org (secure)]


Dalton's law

The total pressure exerted is equal to the sum of the partial pressures of the individual gases.

[link to en.wikipedia.org (secure)]


nuke


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Anonymous Coward
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United States
12/14/2019 10:51 PM
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Re: CNG cars that run on natural gas
Worthless as tits on a bore....... Not to mention it fucking destroys engines..
 Quoting: Anonymous Coward 77327948


Actually, not. Engines running on gassified fuels are spotless on the inside, and have longer service intervals than their gasoline counterparts..
Anonymous Coward
User ID: 76811228
United States
12/14/2019 10:56 PM
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Re: CNG cars that run on natural gas
I was pricing out a Chevy Truck last year and I noticed there was an LNG Option package you could order. I think I remember it was about $2.500.
 Quoting: Anonymous Coward 77849624


You can find LNG at some stations along the interstate
Anonymous Coward
User ID: 76811228
United States
12/14/2019 10:57 PM
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Re: CNG cars that run on natural gas
I have had multiple CNG and LPG cars over the last 30 years.
CNG is gutless but cheap, LPG about 8o% power of petrol but half the price.
I have T-boned a truck and had a head on collision on highway, both in CNG vehicles. No flaming fireball.
Eventually you miss the power on CNG, no good on hills or for towing. LPG good for both but need to refill twice as much as petrol.

.
 Quoting: Toejamsoup


Like I said, Ammonia is MUCH better! with Power to spare!!
Prospektor

User ID: 48925331
United States
12/14/2019 11:00 PM

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Re: CNG cars that run on natural gas
Worthless as tits on a bore....... Not to mention it fucking destroys engines..
 Quoting: Anonymous Coward 77327948


Actually, not. Engines running on gassified fuels are spotless on the inside, and have longer service intervals than their gasoline counterparts..
 Quoting: CosmicFire


hesright

The engine runs very clean. Only problem with CNG, and I have a Ford F-150 bi-fuel CNG, is that the tank is only certified for 15 years. Now I have to buy regular fuel or purchase a new tank. It has been a wonderful truck which I have driven all over the western US. Sure you have to plan where you can get your next fill up but that is why you have it be bi-fuel.; if no service for CNG put regular in it. I have over 200,000 miles on it and the service guys are always impressed with how clean it is.
Anonymous Coward
User ID: 76811228
United States
12/14/2019 11:01 PM
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Re: CNG cars that run on natural gas
even better if it runs on Ammonia (less pressure and better millage)... Both are far better than hydrogen (think "Big bomb")
 Quoting: Anonymous Coward 76811228


Are you fucking high? Do you have any idea how dangerous anhydrous ammonia is????

A CNG tank going up would be bad for people within 100 yards, an ammonia tank rupturing would be a hazmat incident requiring the evacuation of everyone within a mile radius.

I've personally been involved in an anhydrous ammonia leak, there were two routes out of the facility if I had taken the other one I would be dead right now. 3 firefighters out of the 10 who responded had to be hospitalized despite being decked out in full protective gear and SCBA masks... the shit can absorb through your skin. One guy at the facility also was hospitalized, and almost died.

The tank that leaked wasn't even that big, I'd say it was about 3 or 4 times the size of an automotive fuel tank. And guess what you use to make ammonia? Natural gas!!!
 Quoting: R. Wordsworth


totally wrong about ammonia (it is in small tanks and dissipates quickly in open air) We are not talking about a 10,000 gallon Ammonia tank leaKING IN A building!!
Midwest Skeptic

User ID: 77556714
United States
12/14/2019 11:43 PM
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Re: CNG cars that run on natural gas
[
The engine runs very clean. Only problem with CNG, and I have a Ford F-150 bi-fuel CNG, is that the tank is only certified for 15 years. Now I have to buy regular fuel or purchase a new tank. It has been a wonderful truck which I have driven all over the western US. Sure you have to plan where you can get your next fill up but that is why you have it be bi-fuel.; if no service for CNG put regular in it. I have over 200,000 miles on it and the service guys are always impressed with how clean it is.
 Quoting: Prospektor


Not sure if you can still buy the Dual Fuel vehicles, but 25 years ago a number of businesses and people did because they got HUGE tax credits for buying them since they qualified as "Clean Air" vehicles which effective cut their cost to buy by about 50% to 60% (in certain states). Knew a couple of people who bought 3/4 ton Suburbans and after the tax credits only had to actually pay about 50% of the out the door cost to buy them.

Here about 1/2 of the city buses run on CNG. The fuel cost to run them is about 1/4 the cost to run them on diesel, so the mass transit authority LOVES them!, but they did have to open a couple of remote fueling stations away from their main garage location.

UPS locally has switched about 80% of it's over the road tractors to CNG. For local delivery they still use gas/diesel vehicles, but for over the road I am told they are aiming for nearly 100% CNG for our major terminal here sometime in the next 2 years. I am noting more and more Interstate truck stops are also installing CNG fueling capability.

Obviously the downside is the tank size/location, the problem with limited refueling (why you need a DUAL fuel option if you aren't running it in a fleet situation), and the up front purchase cost ... but if they are still available to buy there are some serious benefits (cheap fuel, longer engine life).
Midwest Skeptic
Anonymous Coward
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United States
12/15/2019 12:02 AM
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Re: CNG cars that run on natural gas
Industrial forklifts routinely run on cng
Zeke
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United States
12/15/2019 12:08 AM
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Re: CNG cars that run on natural gas
CNG cars that run on compressed natural gas

Video: [link to youtu.be (secure)]



 Quoting: Anonymous Coward 76790520


I just got back from Rio Dr Janeiro. A lot of cars there run on cng. Small cars that get about 150 miles on a fill. Think it was about 20 pounds!? I was fascinated by this. Pressurised system. They also have dual sugarcane ethanol engines and can run on either or - dual system.
Terrebonne

User ID: 1089348
United States
12/15/2019 03:07 PM

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Re: CNG cars that run on natural gas
Worthless as tits on a bore....... Not to mention it fucking destroys engines..
 Quoting: Anonymous Coward 77327948


Actually, not. Engines running on gassified fuels are spotless on the inside, and have longer service intervals than their gasoline counterparts..
 Quoting: CosmicFire


hesright


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Terrebonne

User ID: 1089348
United States
12/15/2019 03:15 PM

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Re: CNG cars that run on natural gas
Worthless as tits on a bore....... Not to mention it fucking destroys engines..
 Quoting: Anonymous Coward 77327948


Actually, not. Engines running on gassified fuels are spotless on the inside, and have longer service intervals than their gasoline counterparts..
 Quoting: CosmicFire


hesright

The engine runs very clean. Only problem with CNG, and I have a Ford F-150 bi-fuel CNG, is that the tank is only certified for 15 years. Now I have to buy regular fuel or purchase a new tank. It has been a wonderful truck which I have driven all over the western US. Sure you have to plan where you can get your next fill up but that is why you have it be bi-fuel.; if no service for CNG put regular in it. I have over 200,000 miles on it and the service guys are always impressed with how clean it is.
 Quoting: Prospektor

Certified for 25 years.


Standards Pre-Determine CNG Cylinder Life

In the 1990s, the NGV industry created CNG cylinder certification standards. Cylinders built to meet the original (1992) version of Standard NGV2 were designed for a service life of 15 years, with labeling requirements setting a "Do not use after" date. A 1998 revision extended allowable cylinder life certification to 20 years. The 2007 revision raised that figure to allow a 25-year lifespan.

[link to www.government-fleet.com (secure)]


rockon


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