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The DOJ Didn’t Legalize Diesel Deletes - Here’s Why

The DOJ Didn’t Legalize Diesel Deletes - Here’s Why

The Diesel Podcast Feb 10, 2026 60 min
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About this episode

The recent announcement from the Department of Justice regarding diesel deletes has sparked significant discussion in the diesel community. Experts clarify that while the DOJ will no longer pursue criminal charges for Clean Air Act tampering, civil violations remain enforceable. The episode delves into the implications of this shift, including the potential for ongoing civil cases and the historical context of emissions enforcement. Listeners will gain insights into the legal landscape and what it means for diesel enthusiasts and businesses involved in emissions tuning.

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Technical Too Afraid to Ask
Company

Fleece Performance

"...a really good company like an ATSD sole or a fleece performance or worldly custom that those guys, they've got a very, very large amount of legal business."

Fleece Performance makes parts that help improve the power and efficiency of diesel engines, especially in trucks. They focus on making vehicles perform better than they do from the factory.

Company

ATS Diesel

"...a really good company like an ATSD sole or a fleece performance or worldly custom that those guys, they've got a very, very large amount of legal business."

ATS Diesel makes parts for diesel trucks that help them run better and more efficiently. They are known for their upgrades that increase power and improve performance.

Term

diesel engine

"A common question we get from you guys a lot is, hey, I need a diesel engine. I either, you know, I can't wait this long to get one or normal place I get stuff from it. It just takes too long or I don't, they don't have the parts in it that I need."

A diesel engine is a type of engine that runs on diesel fuel. They are often used in trucks and larger vehicles because they can produce a lot of power and are more fuel-efficient than regular gasoline engines.

Company

Duramax

"They have a complete lineup of Cummins, Duramax and Powerstroke remanufactured engines that are set to a standard of ISO 9001 2015 standards, which is a huge deal in the aftermarket."

Duramax is a type of diesel engine made by General Motors. It's often found in their trucks and is known for being powerful and efficient.

Term

ISO 9001 2015 standards

"They have a complete lineup of Cummins, Duramax and Powerstroke remanufactured engines that are set to a standard of ISO 9001 2015 standards, which is a huge deal in the aftermarket."

ISO 9001:2015 is a set of rules that companies follow to make sure they provide good quality products. If a company meets these standards, it shows they are reliable and care about their customers.

Company

Powerstroke

"They have a complete lineup of Cummins, Duramax and Powerstroke remanufactured engines that are set to a standard of ISO 9001 2015 standards, which is a huge deal in the aftermarket."

Powerstroke is a type of diesel engine made by Ford. It's used in their larger trucks and is known for being very powerful, especially for towing heavy loads.

Company

Cummins

"They have a complete lineup of Cummins, Duramax and Powerstroke remanufactured engines that are set to a standard of ISO 9001 2015 standards, which is a huge deal in the aftermarket."

Cummins is a company that makes diesel engines, which are used in many trucks and heavy vehicles. They are known for making strong and reliable engines.

Term

OEM engine

"And you know, the other thing with that is, you know, sometimes the options that are out there, it's just, it's a basic OEM engine. You want a little bit more. You don't want to have the same failure again."

An OEM engine is the engine that comes with the car when you buy it. It's made by the same company that made the car, so it's designed to fit perfectly and work well with it.

Company

DFC Diesel

"...if you go to DFC diesel.com, there's a ton of info there. You can send an email or you can reach out to them."

DFC Diesel is a company that makes and sells parts for diesel engines. They help people find better engines and parts to improve how their vehicles run.

Term

torque

"...better fuel economy, you know, increased power, increased torque and better engine life out of it."

Torque is the power that helps a car move. It’s what makes a car able to pull heavy things or speed up quickly.

Term

fuel economy

"...better fuel economy, you know, increased power, increased torque and better engine life out of it."

Fuel economy tells you how well a car uses fuel. If a car has good fuel economy, it means you can drive further on less gas, which saves you money.

Term

diesel fuel

"Hey diesel fans, I wanted to chat with you about diesel fuel. It's something we've talked about a lot on the podcast and specifically ways that it can lead to a lot of costly repairs."

Diesel fuel is a special type of fuel used in certain engines, especially in trucks. It's different from regular gasoline and is known for being more efficient and powerful for heavy vehicles.

Term

lubricity

"And the main reason that we have these issues is a lack of lubricity. Our friends over at Hotshot Secrets have developed a formula that boosts performance and then addresses this issue."

Lubricity is how well a fuel can help parts of an engine move smoothly without causing damage. It's important for keeping engines running well, especially in diesel engines.

Company

Hotshot Secrets

"Our friends over at Hotshot Secrets have developed a formula that boosts performance and then addresses this issue. So whether you have an old truck, new one, something anywhere in between, we all face this issue."

Hotshot Secrets is a brand that makes special products to help diesel engines run better and last longer. They create solutions for common problems that diesel engines face.

Term

DEF fluid

"...I saw him the other day talk about DEF fluid and I never thought that the President would say it's a talk about DEF fluid, but it seems to be very much on the radar..."

DEF fluid is a special liquid used in diesel engines to help clean up the exhaust and make it less harmful to the environment. It helps the engine run cleaner and meet pollution standards.

Term

catalytic converter

"...maybe it has an EGR, and maybe it has a catalytic converter on it, but you don't have these aggressive systems that can burden them with high repair costs..."

A catalytic converter is a part of the car's exhaust system that helps clean up the gases that come out of the engine. It makes the air cleaner by changing harmful gases into less harmful ones.

Term

EGR

"...maybe it has an EGR, and maybe it has a catalytic converter on it, but you don't have these aggressive systems that can burden them with high repair costs..."

EGR is a system in some vehicles that takes some of the exhaust gases and sends them back into the engine to help reduce pollution. It helps make the engine cleaner.

Term

NOx

"...the EPA under Lee Zeldin has not changed or otherwise modified the NOx and particulate requirements..."

NOx refers to nitrogen oxides, which are gases that can be harmful to the environment and our health. They come from car engines and are regulated to help reduce air pollution.

Term

particulate matter

"...the NOx and particulate requirements that are mandatory under the Clean Air Act..."

Particulate matter is made up of tiny bits of solid or liquid that can be found in the air. These particles can come from car exhaust and can be harmful to breathe in.

Term

SCR

"...if there's a way to effectuate a reduction in NOx without the SCR and the DOC..."

SCR is a system that helps reduce harmful gases from diesel engines. It adds a special liquid to the exhaust to turn dangerous gases into safe ones before they leave the car.

Term

DOC

"...without the SCR and the DOC..."

DOC is a part of the exhaust system in diesel cars that helps clean up the gases before they are released into the air. It makes the exhaust less harmful.

Car

Ram TRX

"...and Gila County wasn't that great to what you can buy now, whether it's a Raptor or a TRX or some of the crazy performance vehicles you can get that are..."

The Ram TRX is a powerful version of the Ram 1500 truck designed for off-road driving. It has a strong engine and special features that make it great for rough terrains.

Car

Ford Raptor

"...and Gila County wasn't that great to what you can buy now, whether it's a Raptor or a TRX or some of the crazy performance vehicles you can get that are..."

The Ford Raptor is a special version of the Ford F-150 truck that is built for off-road driving. It has a powerful engine and features that help it handle rough terrain.

Term

GPFs

"So the new ones have GPFs. So the new ones have GPFs. Or at least they did. I don't know if they're doing that anymore."

GPFs are filters used in gasoline cars to catch tiny particles in the exhaust, making the air cleaner. They help cars meet pollution rules.

Car

Ford F350

"So like, are people really concerned about the repair costs on their $100,000 Ford F-350 Dually?"

The Ford F-350 Dually is a large truck designed for heavy loads. It has two wheels on each side at the back, which helps it carry more weight and stay stable when towing.

Term

OEMs

"...and they primarily have to do with like the impact on the OEMs."

OEMs are companies that make parts for cars or the cars themselves. When you buy a car, it's often made by an OEM, which is the original maker.

Term

deletes

"Yeah, deletes are not legal. Everybody, don't do it."

'Deletes' are when people take out parts of a car that help reduce pollution. This can make the car perform better, but it's often against the law because it harms the environment.

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