Trump pardons six people convicted in federal emissions cases, calls Biden-era prosecutions 'weaponization'

 July 3, 2026

President Donald Trump signed pardons Friday afternoon for six individuals convicted in federal emissions-related cases, describing their prosecutions under the Biden administration as politically motivated persecution of Americans who were simply "fixing their car."

Trump announced the clemency grants on Truth Social, framing the cases as part of a broader pattern of government overreach during the previous administration. The pardoned individuals, none of whom were publicly named in the announcement, were either already serving prison sentences or facing imprisonment for charges tied to vehicle emissions modifications.

The pardons land against a backdrop of sweeping changes to federal environmental enforcement. Deputy Attorney General Todd Blanche had already ordered federal prosecutors to drop remaining criminal cases involving aftermarket "defeat devices", equipment used to modify diesel emissions systems, Newsmax reported. And on June 29, Trump signed an executive order directing the EPA to deprioritize civil enforcement involving emission-control tampering.

Trump's case against Biden-era enforcement

The president's Truth Social post left little ambiguity about how he views the underlying prosecutions. Trump wrote on the platform:

"It is my Great Honor to have just signed Pardons for six people who were persecuted by the Biden Administration, and were in, or being sent to, prison, for 'fixing their car.' While I know this sounds ridiculous, it is nevertheless a fact, and part of the Weaponization and Stupidity that our Country had to endure during four long years of Sleepy Joe Biden."

The characterization, "fixing their car", is Trump's own framing. The underlying federal charges involved installing so-called defeat devices, which are illegal under Environmental Protection Agency regulations because they circumvent emissions controls designed to limit pollutants from diesel engines.

Whether those regulations justify criminal prosecution and prison time is exactly the policy question Trump's administration has now answered in the negative, first through DOJ policy, then through executive order, and now through individual pardons.

The DOJ's own environmental enforcement arm signaled the shift earlier this year. In a January post on X, the department's official account stated:

"DOJ is committed to sound enforcement principles, efficient use of government resources, and avoiding overcriminalization of federal environmental law. In partnership with the @EPA, DOJ will still pursue civil enforcement for these violations when appropriate."

That language, "avoiding overcriminalization", amounts to a concession that the prior administration's approach went too far. Civil penalties remain on the table. Prison does not.

A broader clemency record

These six pardons are a small slice of what has become the most active clemency record of any modern president's second term. Trump has granted clemency to thousands of people since returning to office, including more than 1,500 individuals convicted of charges related to the January 6, 2021, Capitol riot. That wave of pardons remains deeply contested even among Republicans.

The emissions pardons, however, occupy different political ground. They fit neatly into the administration's argument that federal regulatory agencies under Biden weaponized enforcement power against ordinary Americans and small businesses, people who modified trucks, not people who stormed a building.

Trump's clemency decisions have drawn scrutiny from both sides. Critics have compared his pardon record to the Biden administration's own controversial clemency grants, though the two presidents' approaches differ sharply in both scope and stated rationale.

The White House did not respond to the Washington Examiner's request for comment on the pardons. A White House official told CBS News separately that "President Trump is the ultimate decider on any clemency related actions."

More clemency under consideration

The emissions pardons may not be the last high-profile clemency action in the near term. CBS News reported that Trump has been considering granting clemency to several other individuals, including Sean "Diddy" Combs, who is currently serving a 50-month prison sentence in New Jersey on prostitution-related charges.

There is no indication that Combs was among the six people pardoned Friday. The announcement did not detail the identities of the recipients, and the cases Trump described, emissions-related vehicle modifications, bear no connection to Combs's conviction.

Trump has also used his clemency power in cases involving political allies. He recently granted a full pardon to former Rep. Stephen Buyer following an insider trading conviction, a decision that drew its own round of debate about the boundaries of presidential mercy.

Meanwhile, some Republican senators have pushed in the opposite direction on Biden-era pardons, pressing the Trump DOJ to challenge certain clemency grants issued by the previous president.

The policy question underneath

Strip away the political rhetoric and a real policy dispute sits at the center of these pardons. Under the Biden administration, the DOJ treated defeat-device installations as criminal matters worthy of federal prosecution and prison time. Mechanics, shop owners, and truck enthusiasts faced felony charges for modifying diesel emissions systems, modifications that are common in certain industries and among vehicle hobbyists.

Supporters of aggressive enforcement argued the devices cause real environmental harm by allowing vehicles to emit pollutants far above legal limits. The EPA's regulations exist for a reason, and defeat devices undermine the entire framework of the Clean Air Act.

But Trump's administration has taken the position that criminal prosecution was a disproportionate response. Civil fines, the DOJ now says, are the appropriate remedy. The executive order Trump signed on June 29 directs the EPA itself to pull back on enforcement in this area.

The six pardons put an exclamation point on that policy shift. These are not abstract regulatory debates for the people involved. They were in prison, or headed there, for conduct the current administration now treats as a civil matter at most.

Several key questions remain unanswered. The names of the six pardoned individuals have not been released. The specific charges and sentences they faced are unclear. And it remains to be seen whether additional pardons will follow for others convicted under similar Biden-era enforcement actions.

What is clear is the direction. The DOJ dropped the criminal cases. The EPA was ordered to stand down on civil enforcement. And now six people who were behind bars, or about to be, are free.

When the federal government sends people to prison for modifying a truck, and the next administration pardons them and calls the whole thing overcriminalization, the question isn't whether the pardons were justified. It's how those prosecutions ever became a priority in the first place.


About Owen Bates

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