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Good news: Trump Administration Announces Latest Action to Address Diesel Exhaust Fluid

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Old Mar 28, 2026 | 02:26 PM
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From: Bridgewater Ma
Good news: Trump Administration Announces Latest Action to Address Diesel Exhaust Fluid

Here's some needed good news.

https://www.epa.gov/newsreleases/tru...uid-def-system
 
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Old Mar 28, 2026 | 05:19 PM
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From: Chaz
New rule says engines must be able to run with a DEF fault, with only a mild derate, for 4,200 miles or 2 work weeks.

After 4 weeks it will derate to a 25mph max speed.

Also the initial warning needs to come at 650 miles. This would have fixed some DEF issues my 2020 f350 had when towing.

Seems like common sense.

Yall should own a newer Toyota product. All the weird little tuning things to achieve lab test mpg and emissions misc cause a lot lot of drive ability issues. Would rather deal with the DEF.
 

Last edited by Joe T; Mar 28, 2026 at 05:21 PM.
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Old Mar 28, 2026 | 09:29 PM
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Not good enough. DEF issues are sidelining trucks for months. Drastically increasing shipping costs of everything. Doubling the cost of travel for any heavy service job.

An overwide semi truck must have sone kind of special permit. I sat in a truck with a twin turbo Cat, and bored out heads for industrial engine injectors. It ran clean. Its time to relax on emissions garbage.

My company just ordered a bunch of 7.3 gas trucks.
 
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Old Mar 28, 2026 | 10:58 PM
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Originally Posted by Midwest87
Not good enough. DEF issues are sidelining trucks for months. Drastically increasing shipping costs of everything. Doubling the cost of travel for any heavy service job.

An overwide semi truck must have sone kind of special permit. I sat in a truck with a twin turbo Cat, and bored out heads for industrial engine injectors. It ran clean. Its time to relax on emissions garbage.

My company just ordered a bunch of 7.3 gas trucks.
It can't be done through legislation since anything of that nature would be DOA in the senate without 60 votes, and it's not big enough of an issue on a national level to warrant being included in budget reconciliations.

An EO or EPA action to remove DEF requirement is DOA with CA and rest of the CARB states filing law suits immediately.

If white house changes hands in 2028 then the next admin is coming for the gas trucks next. Get as many 7.3 as you can now before they too get saddled with GPF, direct injection, cylinder deactivation, hybridization, and who knows what else, and get involved in congressional election campaigns in your local area.
 

Last edited by twobelugas; Mar 28, 2026 at 11:02 PM.
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Old Mar 29, 2026 | 05:59 AM
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I think everyone can see the cost of everything going up. Using tariffs for a political excuse as to why, only works on the uninformed peasants.

I just quoted an ignition module and catalytic convertor at a sewage water plant. The ignition failed, causing a lean condition that nuked the catalytic convertor. $40k quote, on top of the $10k in diagnostic already performed. On a clean green natural gas engine that really requires no catalytic at all. They could have bought a nice diesel engine, with no emissions at all, but got duped into this eco junk. I suspect that this kind of repair will happen again.

Theres being green concerned, and thats good. But the level of Karen we're at right now, can not be maintained. If congress needs term limits (or a taste of aggressive freedom), so be it.
 

Last edited by Midwest87; Mar 29, 2026 at 06:02 AM.
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Old Mar 29, 2026 | 05:04 PM
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Originally Posted by Midwest87
I think everyone can see the cost of everything going up. Using tariffs for a political excuse as to why, only works on the uninformed peasants.

But the level of Karen we're at right now, can not be maintained. If congress needs term limits (or a taste of aggressive freedom), so be it.
are we at DEF Karen 5 yet?
 
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Old Mar 29, 2026 | 05:31 PM
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Originally Posted by Midwest87
Theres being green concerned, and thats good. But the level of Karen we're at right now, can not be maintained. If congress needs term limits (or a taste of aggressive freedom), so be it.
Congressional limits is not the panacea people think it is. Look at the most radical anti-market members of congress, they are all younger upstarts who were considered fresh blood and have the enthusiasm of kids who don't pay their own bills.

Like it or not, longer more established legislative representatives are theoretically easier to be reasoned with than younger firebrands who have nothing to lose and just want to make the most mark in the shortest possible time frame. Are the likes of Schumer or Pelosi diesel-friendly? Of course not, but they are easier to lobby than say, AOC or Jefferies.

Those who are complaining how diesel regulations are not being dropped fast enough just because a different guy is in the white house need some serious civics lessons. Where were they when successive previous admins rammed through more and more strict regulations? Did they get involved in elections via grassroots action and donate to political action committees? No. As I recall when the DPF and DEF requirements were implemented the "old hands" were complacent because "Oh well there are plenty of used 7.3 PSD/12v Cummins/LB7/LLY/LBZ to choose from".

Sitting around and complain things are not getting better quickly enough gets you only so far. Too many people in this country sit around and complain but when it comes to midterm elections or special elections they can't even be bothered to go to the voting booth or even send in mail in ballots where those are allowed.
 

Last edited by twobelugas; Mar 29, 2026 at 05:52 PM.
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Old Mar 29, 2026 | 07:53 PM
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Originally Posted by Midwest87

Theres being green concerned, and thats good. But the level of Karen we're at right now, can not be maintained. If congress needs term limits (or a taste of aggressive freedom), so be it.
This, times a billion.

Being green is a great and lofty goal but you can’t bankrupt people and businesses to get there. If you do that then the game is over. It is the equivalent of a successful surgery that kills the patient. It doesn’t matter. This country has lost its mind in this manner.

Anyone ask Abraham Lincoln how the play was?

Bob
 
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Old Yesterday | 07:09 AM
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all this stuff is super cool but I doubt cities and states that have things like annual diesel emissions testing requirements will roll back on those requirements.

but we can dream.

 
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Old Yesterday | 08:02 AM
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From: Chaz
Originally Posted by HorizontalHunter
This, times a billion.

Being green is a great and lofty goal but you can’t bankrupt people and businesses to get there. If you do that then the game is over. It is the equivalent of a successful surgery that kills the patient. It doesn’t matter. This country has lost its mind in this manner.

Anyone ask Abraham Lincoln how the play was?

Bob

They are just crazy. A whole crazy movement that was crazy.
 
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Old Yesterday | 08:04 AM
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From: Chaz
Originally Posted by speakerfritz
all this stuff is super cool but I doubt cities and states that have things like annual diesel emissions testing requirements will roll back on those requirements.

but we can dream.
I dont know what you mean. If your inspection is due within 2 weeks from the fault you probably have to go ahead and get it fixed.

Similar to a check engine light.
 
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