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Old 09-24-2006, 04:11 PM   #1
NYCshopper
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Default Honda Develops Next-Generation Clean Diesel Engine (meets US Emissions Requirements)

Honda Develops Next-Generation Clean Diesel Engine (meets US Emissions Requirements)



Press Release:
Quote:
Honda Develops Next-Generation Clean Diesel Engine

Capable of Meeting Stringent Tier II Bin 5 Emissions Requirements in the U.S.

Honda Motor Co., Ltd., today announced it has developed a next-generation diesel engine that reduces exhaust gas emissions to a level equal to a gasoline engine. Honda's next-generation diesel engine employs a revolutionary NOx catalytic converter that enables a great reduction in NOx emissions sufficient to meet stringent U.S. Environmental Protection Agency (EPA) Tier II Bin 5 emissions requirements (based on Honda's internal calculations). This catalytic converter features the world's first innovative system using the reductive reaction of ammonia generated within the catalytic converter to "detoxify" nitrogen oxide (NOx) by turning it into harmless nitrogen (N2).

The new catalytic converter utilizes a two-layer structure: one layer adsorbs NOx from the exhaust gas and converts a portion of it into ammonia, while the other layer adsorbs the resulting ammonia, and uses it later in a reaction that converts the remaining NOx in the exhaust into nitrogen (N2). Ammonia is a highly effective reagent for reducing NOx into N2 in an oxygen-rich, lean-burn atmosphere. This ability to generate and store ammonia within the catalytic converter has enabled Honda to create a compact, lightweight NOx reduction system for diesel engines. The system also features enhanced NOx reduction performance at 200–300ºC, the main temperature range of diesel engines.

Honda designed the catalytic converter for use with its 2.2 i-CTDi diesel engine, which has earned widespread praise for quiet, clean operation and dynamic performance since its introduction in 2003 on the European Accord model. By further advancing combustion control, the 2.2 i-CTDi delivers cleaner exhaust to the NOx catalytic converter. Honda achieved this by optimizing the combustion chamber configuration, reducing fuel injection time with a 2,000-bar common rail injection system and boosting the efficiency of the EGR (exhaust gas recirculation) system. Thanks to these improvements, Honda has reduced the amount of NOx and soot normally found in engine exhaust, while increasing power output.

Along with developing superior technology for cleaning exhaust gas, Honda plans to address other technical challenges in developing clean diesel engines, such as handling diesel fuels with different cetane numbers and meeting U.S. On-Board Diagnostic System requirements. Honda plans to introduce its next-generation diesel engine in the U.S. within three years.

Gasoline engines presently employ three-way catalytic converters that offer NOx reduction rates as high as 99%, but this performance is possible only at the stoichiometric air-fuel ratio. In the oxygen-rich environment of a lean-burn diesel engine, three-way catalytic converters only reduce NOx levels by approximately 10%. Honda's new catalytic converter efficiently reduces NOx in a lean-burn atmosphere, enabling diesel engines to rival gasoline engines in cleanliness. The compact system is also easy to install in passenger vehicles.


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Old 09-24-2006, 04:38 PM   #2
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thats probably gonna be in the accord
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Old 09-24-2006, 05:35 PM   #3
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I would like to thank Honda once again for proving other automakers wrong.

Seems that too many people out there were bitchin and complaining that the new diesel standards were too strict.
As usual, Honda puts it money into engineering and proves other car makers wrong.

This is the exactly what Detroit did ~30 years ago when the first round of pollution-limiting legislation passed. If they only had the same work ethic as the Japanese, they would have put their money into engineering and not wasted it on lobbying for looser standards.
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Old 09-24-2006, 08:10 PM   #4
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Quote:
Originally Posted by Hazdaz View Post
I would like to thank Honda once again for proving other automakers wrong.

Seems that too many people out there were bitchin and complaining that the new diesel standards were too strict.
As usual, Honda puts it money into engineering and proves other car makers wrong.
I wouldn't say that so much as the others see it as work and money where honda and toyota normally see things like this as a challenge
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Old 09-24-2006, 09:58 PM   #5
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Quote:
Originally Posted by Hazdaz View Post
I would like to thank Honda once again for proving other automakers wrong.

Seems that too many people out there were bitchin and complaining that the new diesel standards were too strict.
As usual, Honda puts it money into engineering and proves other car makers wrong.

This is the exactly what Detroit did ~30 years ago when the first round of pollution-limiting legislation passed. If they only had the same work ethic as the Japanese, they would have put their money into engineering and not wasted it on lobbying for looser standards.
It hasn't passed YET. And notice there is no mention here of California's more stringent regulations.

Supposedly Mercedes' new diesel was the cleanest in the world with a ureaic acid NO scrubber, and it didn't pass California's tests. Let's just wait and see what happens here.
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Old 09-25-2006, 03:13 AM   #6
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I heard that the Mercedes diesel failed because you had to periodically add the magic NOx scrubber fluid and since Honda's design doesn't require any extra additives...
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Old 09-25-2006, 10:14 AM   #7
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Default Honda Unveils Diesel System to Rival Gasoline Cars

Here's another article

Quote:
Honda engineers said the technology is superior to a process pioneered by Germany's DaimlerChrysler AG because the latter requires a complex system and heavy add-ons to generate ammonia from urea-based additives.

http://www.planetark.org/dailynewsst...8243/story.htm
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Old 09-25-2006, 10:20 AM   #8
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Quote:
Originally Posted by Chromer View Post
It hasn't passed YET. And notice there is no mention here of California's more stringent regulations.
not sure which reg you're referring to but the US Clean Diesel Rule went through in 2004 and takes effect next year, it substantially reduces the sulfur (500ppm from 3,000ppm now, and down to 15ppm by 2010) in diesel fuel, which will benefit all vehicles.

http://www.epa.gov/otaq/highway-dies...ty-highway.htm
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Old 09-25-2006, 12:12 PM   #9
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Quote:
Originally Posted by NYCshopper View Post
That particulate reactor (like a catalytic converter for a diesel) is very.. umm... phallic.

Honda people have huge penis. Americans & Germans have very smallll penis. (when it comes to diesel emissions)

IBThatwast3hChinesedoofusGoCows!

Last edited by Calamity Jesus; 09-25-2006 at 12:54 PM.
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Old 09-25-2006, 03:43 PM   #10
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Nice! I am anxious to see this come to North America.

But where exactly did you get this article?
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Old 09-25-2006, 05:21 PM   #11
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Quote:
Originally Posted by importdriver View Post
Nice! I am anxious to see this come to North America.

But where exactly did you get this article?
Asking NYCShopper where he gets his articles is like asking his mom for her favorite secret recipe
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Old 09-25-2006, 06:13 PM   #12
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Quote:
Originally Posted by BigElm View Post
Asking NYCShopper where he gets his articles is like asking his mom for her favorite secret recipe
hahah...the Press Release i got off the company News Wire App (iNEWS), it came out yesterday, since most american corps are off, they picked up the story this morning...most just used the release to create a story...

here are some links regarding this...

http://www.cbc.ca/technology/story/2...el-060925.html

http://www.iht.com/articles/2006/09/...ness/honda.php

http://www.enviroblog.org/2006/09/ho..._system_to.htm

http://www.sciam.com/article.cfm?cha...71888657D2EB1D

http://www.foxnews.com/story/0,2933,215507,00.html

http://motoring.reuters.co.uk/reuter...ls%20for%20USA

http://www.boston.com/business/techn...uel_cell_cars/
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Old 09-26-2006, 10:47 AM   #13
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Quote:
Originally Posted by Chromer View Post
It hasn't passed YET. And notice there is no mention here of California's more stringent regulations.

Supposedly Mercedes' new diesel was the cleanest in the world with a ureaic acid NO scrubber, and it didn't pass California's tests. Let's just wait and see what happens here.
Man F Califorina, why do they gotta screw things up for the rest of us.
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Old 09-26-2006, 12:55 PM   #14
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Originally Posted by Nico Flax View Post
Man F Califorina, why do they gotta screw things up for the rest of us.
Because our Federal Government is so incompetent that CA has to step up and do what the Feds are unable to do. I applaud CA for taking a tough stance (well, most of the time atleast). A lot of these regulations should have kicked in on a national level years ago at a staggered pace... but that would take real leadership from this administration. This administration has no idea what leadership actually is.

CA is a big enough market where they can throw around their weight to get what they want - and that ends up being better for all of us in the long term. My state has fairly bad pollution due to our proximity to NYC - but we would be too small to demand changes like CA is pushing through. But because of their push, we will eventually benefit too.

This diesel issue isn't "magic" - it is simply an engineering problem that will get solved through R&D. Let the engineers do their work and we will have diesels that give us the torque and gas mileage we want, with lots less pollution.
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Old 09-26-2006, 02:15 PM   #15
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^^^ Here here! Go Cali and go Honda! I can't wait to start getting more diesels in the US!
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Old 07-18-2007, 05:28 PM   #16
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Honda's President, Takeo Fukui, stated at a mid-year press conference on 7/18/07 that:
* The clean diesel engine will power Hondas in the US from 2009
* About one year later, the diesel Hondas will be released in Japan in 2010
* Both 4-cylinder and 6-cylinder diesels engines are being developed at the same time
* It is not clear on which models will get the diesel engine
* Japan will most likely get the 4-cylinder version only
http://response.jp/issue/2007/0718/article97008_1.html
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Old 07-19-2007, 07:27 AM   #17
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Awesome. Wish they were on the 2008s though.
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Old 07-19-2007, 01:04 PM   #18
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Sick.
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Old 07-19-2007, 01:24 PM   #19
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FYI Tier II Bin 5 is roughly equivalent to ULEV II standards. So it should pass if it can do what it claims. Looks like we have a real hybrid challenger! (as far as cost and environmental impact)

Indeed go Califonria (Go bears).
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Old 07-19-2007, 04:54 PM   #20
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great info
is there any way to get the link translated to English??

http://response.jp/issue/2007/0718/article97008_1.html
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Old 07-19-2007, 05:04 PM   #21
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Quote:
Originally Posted by JBLU24 View Post
great info
is there any way to get the link translated to English??

http://response.jp/issue/2007/0718/article97008_1.html
I provided the cliffnotes above, but you can try Babel Fish: http://babelfish.altavista.com/
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Old 07-20-2007, 02:59 AM   #22
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well, it'll be awesome if you don't need to add in special stuff once in a while.

I can't wait for the upcoming diesels that are coming to the North American market
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Old 08-07-2007, 10:50 AM   #23
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I want NOW!
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