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Emissions Delete, Bye DPF, DEF, Cats Legal Again

Sweetums

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Wow, if that comes true, I will pay someone good money to remove everything DEF related on the F550 chassis used on my motorhome. The 6.7 Turbo is the best motor we have ever had in a motorhome, but I HATE dealing with DEF.
Remember that anything that can be done by executive order, can be undone just as quickly with a new administration. I'd proceed with caution.
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Hoss

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Remember that anything that can be done by executive order, can be undone just as quickly with a new administration. I'd proceed with caution.
What would that look like for us at that point though?

If someone was to modify their exhaust and it was made legal at a federal level, but then later on it was made illegal, they surely couldn’t go after someone who performed a (previously) legal action.
 

Mr._Bill

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What would that look like for us at that point though?

If someone was to modify their exhaust and it was made legal at a federal level, but then later on it was made illegal, they surely couldn’t go after someone who performed a (previously) legal action.
They cannot prosecute you if the act was legal at the time it was done. They can refuse to renew registration until you return it to stock condition, or modify it to match current law. It depends on the laws of the state where the vehicle is registered.
 

Minty JL

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The deleting is all contingent on availability of tuning
 

Free2roam

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Is there a way to bypass the sensor that says it's injecting def? Kinda of like bypassing a safety on a machine guard. Or is there a flow sensor of some sorts? Is there something that monitors the def that can be bypassed? So basically it thinks it's injecting it but in reality nothing is happening. Kinda like shooting blanks.
 

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Sweetums

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What would that look like for us at that point though?

If someone was to modify their exhaust and it was made legal at a federal level, but then later on it was made illegal, they surely couldn’t go after someone who performed a (previously) legal action.
The modification would still be illegal, the EO is only telling the EPA to stop enforcing the law. Changing the law would take an act of Congress. So you would still have an illegal exhaust, and just hope they never enforce the law and crush your truck.
 

Sweetums

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They cannot prosecute you if the act was legal at the time it was done. They can refuse to renew registration until you return it to stock condition, or modify it to match current law. It depends on the laws of the state where the vehicle is registered.
This is incorrect. The EO is only about enforcement, unless they repeat the Clean Air Act of 1963 in Congress it's still illegal at the federal level regardless of what the state says. States can make emissions rules more strict than Federal law, such as tying emissions to registration, but the federal law still applies and is enforced by federal agencies.
 

Mr._Bill

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This is incorrect. The EO is only about enforcement, unless they repeat the Clean Air Act of 1963 in Congress it's still illegal at the federal level regardless of what the state says. States can make emissions rules more strict than Federal law, such as tying emissions to registration, but the federal law still applies and is enforced by federal agencies.
No, what I wrote is correct. They cannot change the law and then prosecute you for doing what was legal at the time.

The problem is the assumption that a refusal to enforce the laws makes the act legal.
 

biodiesel

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This was a post that GDE made:

"Below is a portion of an NOI we sent the government. We would be pleased if EPA followed the Clean Air Act verbatim and stopped interpreting law or inferring rules out of thin air.

EPA violated the CAA 42 U.S.C. Chapter 85, Subchapter II, Part A, Sec.7521 and 7541 as it pertains to useful life of vehicles. Vehicle emission standards and compliance are based on defined useful life periods based on the application. For most vehicles, full useful life is defined as 10 years or 120,000/150,000 miles, whichever comes first. After full useful life there are no written regulations in Clean Air Act or the Code of Federal Regulations (CFR). EPA states in Mobile Source Enforcement Memorandum N0. 1A, dated June 25, 1974 that modifications within full useful life limits need to meet certain requirements. EPA revised this memorandum on November 23, 2020 and added the following wording: “The Act’s prohibitions on tampering and defeat devices apply for the entire life of vehicles, engines and equipment. They apply regardless of whether the regulatory “useful life” or warranty period has ended.” This statement goes beyond EPA authority as provided by Congress in CAA. The EPA should not be interpreting law or creating new laws. If the government wants to create emission regulations for vehicles in their after-life, this needs to go through congress. Green Diesel Engineering Vehicle emission systems are complicated with technology issues and degradation over time. EPA understands this as 4,000 mile emission limits are more restrictive than limits at 150,000 miles, they expect tailpipe emissions to degrade during useful life. Holding emission levels beyond full useful life defies engineering principles on component durability."
 

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If someone was to modify their exhaust and it was made legal at a federal level, but then later on it was made illegal, they surely couldn’t go after someone who performed a (previously) legal action.
Must not be a gun owner because that is all the BATFE does is change their mind and try to prosecute for things they previously said was legal even with signed type written letterheads saying things prior was OK.
 
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Rusty PW

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Must not be a gun owner because that is all the BATFE does is change their mind and try to prosecute for things they previously said was legal even with written letterheads saying things prior was OK.
Like wrist braces becoming SBR's. Then not, and back again.
 

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The solution is for Congress to codify the EO. This would raise the bar if a future administration desires to change things…
 

Sweetums

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The solution is for Congress to codify the EO. This would raise the bar if a future administration desires to change things…
I wouldn't count on it. The whole reason we are in this mess of new EOs every 4-8 years that dramatically change the political landscape is because Congress has become increasingly hesitant to... (checks notes) "govern". They've ceded more and more power to the executive branch rather than do their jobs; that's cost us stability.
 

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