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Diesel fumes more polluting than gas, new California study finds

Los Angeles Times -- The study, which appeared Monday in the journal PNAS, focuses on a specific form of pollutant known as secondary organic aerosol, or SOA. The pollutant is a major element of smog and can contribute to heart and respiratory problems.

"We can now say that, while both motor vehicle sources are important for these 'secondary' particles, diesel is responsible for a larger proportion, especially in regions such as the San Joaquin Valley with a lot of diesel use," said senior author Allen Goldstein, an environmental scientist at UC Berkeley.

The analysis contradicts an earlier study published in March, which found that gasoline emissions were a greater contributor to secondary organic aerosol. The topic promises to remain one of heated debate as it carries serious implications for gover


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Submitted Jan 31, 2013 By: TIGERPAW46
Category: Daily News Article Discussions > Topics Add to favorite topics  
Author Topic: Diesel fumes more polluting than gas, new California study finds Back to Topics
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remay
Champion Author Houston

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Message Posted: Feb 1, 2013 4:49:02 AM

But, but, but... diesel is supposed to be "green" - all the stations list their price in "green"
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virostek
Veteran Author Virginia

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Message Posted: Feb 1, 2013 4:37:15 AM

Ha.
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nb52
Champion Author Grand Rapids

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Message Posted: Feb 1, 2013 4:28:23 AM

OH oh, not good for the maker's of cars which have increased diesel car production.
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NedW
Champion Author Indianapolis

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Message Posted: Jan 31, 2013 11:07:25 PM

Thank you for submitting this article, TIGERPAW46.
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DanMtz
Champion Author Oakland

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Message Posted: Jan 31, 2013 5:44:17 PM

Another reason for trucks to switch to natural gas.
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PDQBlues
Champion Author San Diego

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Message Posted: Jan 31, 2013 1:03:51 PM


Diesel was a lot more polluting decades ago before it was cleaned up. Unsurprising that it's still more polluting then gasoline.
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fuel2use
Champion Author Seattle

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Message Posted: Jan 31, 2013 10:55:03 AM

That and ships in the port. Been that way for 50 years.
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jeffbone
Champion Author Virginia

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Message Posted: Jan 31, 2013 8:30:43 AM

Anything to prop up the hybrid market, eh?
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MacDad614
Champion Author Atlanta

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Message Posted: Jan 31, 2013 8:15:40 AM

WHY do people in Oregon always look down their noses at California residents?

At least California isn't China where fresh air is being sold to the gullible in soda cans because of the polluted air.

In the '70s the diesel exhaust contained a lot of particulates. Those are gone, but the other gases are not.

Speaking of smelly exhaust when driving behind diesel buses and trucks, just drive behind an older car or truck and smell that oil burner with incomplete combustion of the gasoline. What a stink. I recently was following a guy in an older car that smelled of raw gasoline. I wonder if that car has caught fire yet.
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tomok
Champion Author Portland

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Message Posted: Jan 31, 2013 7:37:50 AM

Diesel fumes more polluting than gas? LA Times? They live in that depression the wind does not clear out very well, a major lack of fresh air for them and exhaust gases collect much easier there!
Many gasous and combustion vapors are polluting: gasoline, diesel, carbon dioxide, sulfur dioxide, nitrous oxides, volcano off gassing and my uncle clem's nasty butt farts! Europe has many diesel vehicles and they don't seem to have a problem with diesel exhaust pollution.
If you ever follow behind a bus or a large diesel truck, you will smell the exhaust very clearly. In the 70's and 80's, vehicle exhaust was really bad, with clouds of smoke puffing out the back too! Vehicles today are much cleaner burning with a much cleaner exhaust.
Whatever the size or shape of the vehicle, vehicle manufactures Produce and the population ‘Drives’ vehicles with high MPG, are very safe, reliable, have a ‘reasonable’ cost and a good ‘value’ for the money.
The price of fuel at the pump is too high!
XII/XXII/MMXII! - The Day After......
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bluebird1
Champion Author Toronto

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Message Posted: Jan 31, 2013 7:32:34 AM

Too many studies leading to mixed results!!!
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OldMan322
Champion Author Illinois

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Message Posted: Jan 31, 2013 7:23:31 AM

"henryeOH" Yes, as always
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henryeOH
Champion Author Akron

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Message Posted: Jan 31, 2013 7:10:37 AM

bunch of crap
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infinititom
Champion Author Dallas

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Message Posted: Jan 31, 2013 7:10:03 AM

By definition, the act of living will cause pollution.
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cucamongacurtis
Champion Author San Bernardino

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Message Posted: Jan 31, 2013 7:07:45 AM

Our green friends on the left won't be happy until we are living in caves,
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tc17a
Rookie Author South Carolina

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Message Posted: Jan 31, 2013 7:02:27 AM

Once again some people will never change old school thinking is why we are falling behind the rest of the world. I'll keep my CLEAN DIESEL until it dies then I'll buy two more. It does not smell, its not slow and I get over 40 mpg. Win win.. west coast study?? what did they use trucks from the 70's which aren't on the roads in a great amount. You get more work out of a diesel thats why trains, buses, trucks, and back up power plants use it.
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8ballnd
Champion Author North Dakota

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Message Posted: Jan 31, 2013 6:59:53 AM

da
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gilfarm
Champion Author Alabama

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Message Posted: Jan 31, 2013 6:59:38 AM

So they really have no idea!
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scu227
Champion Author New Haven

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Message Posted: Jan 31, 2013 6:59:25 AM

OK
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hvyd1
Champion Author Chicago

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Message Posted: Jan 31, 2013 6:58:37 AM

could have figured that out by myself.
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TxMtb
Champion Author Ohio

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Message Posted: Jan 31, 2013 6:58:12 AM

Now they need to find a way to create an expensive solution for diesel users.
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ExplodingGlass
Champion Author Maine

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Message Posted: Jan 31, 2013 6:55:28 AM

love the smell of gas
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NoGas714
All-Star Author Indiana

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Message Posted: Jan 31, 2013 6:55:13 AM

Yes, the war on Diesel must rage on.

We can't have a much more efficient fuel out there that people can make in their garage. Gotta keep the slaves attached to the fuel pump that we control.
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Mr Tex
Champion Author Dallas

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Message Posted: Jan 31, 2013 6:53:52 AM

Another study to find out what we already know.
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ssect8
Champion Author Hartford

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Message Posted: Jan 31, 2013 6:52:32 AM

Just more BS, I do not believe any environmental study or anything from our politicians.
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ntimid8
Champion Author Nebraska

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Message Posted: Jan 31, 2013 6:52:29 AM

Thats a no brainer
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Langley94
Champion Author British Columbia

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Message Posted: Jan 31, 2013 6:52:28 AM

No kidding!
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bluetruck54
Champion Author Quad Cities

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Message Posted: Jan 31, 2013 6:52:22 AM

I'm sure we're all shocked by this news.
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Soglaos
Champion Author Virginia Beach

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Message Posted: Jan 31, 2013 6:51:47 AM

Wow that a Real Duh!
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trombo31
All-Star Author Kentucky

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Message Posted: Jan 31, 2013 6:51:03 AM

duh
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bell05
Champion Author Atlanta

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Message Posted: Jan 31, 2013 6:50:20 AM

And who is surprised at this.
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HoosierDaddyKY
Champion Author Kentucky

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Message Posted: Jan 31, 2013 6:49:37 AM

Very, very suspect!
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beohbeNJ
Champion Author New Jersey

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Message Posted: Jan 31, 2013 6:49:02 AM

Blah blah blah!
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85XJ
Champion Author Toledo

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Message Posted: Jan 31, 2013 6:48:47 AM

The did their testing in a tunnel. What happens in an open air situation?

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dgarz01
Champion Author Illinois

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Message Posted: Jan 31, 2013 6:48:21 AM

So much for clean diesel
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Costello
Champion Author South Dakota

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Message Posted: Jan 31, 2013 6:48:04 AM

And the solution is???...
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Rednix
Champion Author Miami

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Message Posted: Jan 31, 2013 6:47:51 AM

It took a new study to tell us that?
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prius22
Champion Author Twin Cities

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Message Posted: Jan 31, 2013 6:47:35 AM

Needed a study for that huh?
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dlemma
Champion Author Wyoming

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Message Posted: Jan 31, 2013 6:47:10 AM

I take ANY environmental study done by ANY California college as highly suspect. Remember this is the greenie environmental center of hell.
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tc17a
Rookie Author South Carolina

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Message Posted: Jan 31, 2013 6:46:02 AM

Some people will never change old school thinking is why we are falling behind the rest of the world. I'll keep my CLEAN DIESEL until it dies then I'll buy two more. It does not smell, its not slow and I get over 40 mpg. Win win..
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angel4me
Champion Author San Jose

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Message Posted: Jan 31, 2013 6:45:48 AM

Isn't that why trucks are now required to add a catalytic converter which cost big bucks???
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MopedTime
Champion Author Michigan

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Message Posted: Jan 31, 2013 6:45:31 AM

I could have told you that half a century ago.
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speedraider
Champion Author Orlando

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Message Posted: Jan 31, 2013 6:45:00 AM

always has been
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tomklo
Champion Author Fort Worth

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Message Posted: Jan 31, 2013 6:43:02 AM

it appears that we have far too many surveys and research
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rwe930
Veteran Author Alabama

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Message Posted: Jan 31, 2013 6:42:57 AM

stinky
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SUV2009
Champion Author Orlando

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Message Posted: Jan 31, 2013 6:41:55 AM

Go figure two studies different results? Guess more Federal Funding for more studies.
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BigKart
Champion Author Indianapolis

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Message Posted: Jan 31, 2013 6:41:37 AM

Ya think? I hope that no animals were harmed during this study... especially the deep-thinking researchers who have obviously had their heads up someone's tailpipe too long. Next study: "Carbon Monoxide More Hazardous Than Originally Thought".
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yanman22
All-Star Author Rochester

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Message Posted: Jan 31, 2013 6:41:31 AM

i wish i could get paid for stating the obvious
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95Vette
Champion Author Missouri

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Message Posted: Jan 31, 2013 6:41:20 AM

Duh... like that isn't a given.... it's always been that way... just follow a city bus that is diesel powered!
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Alaydown
Champion Author Los Angeles

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Message Posted: Jan 31, 2013 6:41:16 AM

Perhaps California would do better to crack down on out-of-state and Mexican registered cars instead of picking on diesel. Those of us who register our cars in this state must pass smog inspections every two years and pay outrageous fees while those who live in this state with Mexican and out-of-state plates get away without doing so. Even military drivers who are residents from other states are already forced to get smog checks. The state needs to crack down on these other freeloaders.

[Edited by: Alaydown at 1/31/2013 8:49:05 AM EST]
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