Evidence explorer

Follow the record

• Kory Willis — prosecution, consent decree, and no pardon

  Follows PPEI from criminal plea through the still-active civil consent decree, and shows why no pardon reached him.

  1. 1.Kory Blaine Willis
  2. 2.Power Performance Enterprises Inc. (PPEI)
  3. 3.U.S. v. Kory Willis / PPEI — federal criminal prosecution
  4. 4.PPEI / Willis — federal civil settlement and consent decree
  5. 5.42 U.S.C. § 7522 — Prohibited acts (tampering)
  6. 6.Clean Air Act § 306 (42 U.S.C. § 7606) — Federal procurementAnalysisContracting consequences continue.
  7. 7.Clemency Grants by President Donald J. Trump (2025–Present)Not on the clemency list.
  8. 8.The EPA's War on Diesel 101

• Troy Lake — Elite Diesel, sentence, pardon, statute still in force

  Follows Troy Lake through prosecution and clemency, and shows why the underlying statute is unchanged.

  1. 1.Troy Lake
  2. 2.Elite Diesel
  3. 3.U.S. v. Troy Lake / Elite Diesel — federal criminal prosecution
  4. 4.Troy Lake — presidential pardon (2026)
  5. 5.Diesel Truck Liberation Act
  6. 6.42 U.S.C. § 7522 — Prohibited acts (tampering)AnalysisStatute remains in force.

• Military readiness — the tactical exemption gap

  Follows the tactical military exemption to the commercial-freight mismatch highlighted in the national-security article.

  1. 1.40 CFR 1068.225 — Exemptions for tactical military vehicles and equipment
  2. 2.40 CFR 1090.605 — Fuel exemption for national security purposes
  3. 3.40 CFR 1036.111 — Diagnostic and inducement requirementsAnalysisSame derate logic still applies to civilian trucks.
  4. 4.EPA heavy-duty inducement proposed rule (Docket EPA-HQ-OAR-2026-0728)
  5. 5.EPA's war on diesel is a national security issue

• PM2.5 co-benefits — 2011 study, 2026 methodology question

  Follows EPA's 2011 benefits study to the 2026 methodology reconsideration and the request for a re-run.

  1. 1.The Benefits and Costs of the Clean Air Act from 1990 to 2020 (Second Prospective Study)
  2. 2.EPA 2026 position on monetization of PM2.5 and ozone co-benefits in rulemakingAwaiting specific memorandum.
  3. 3.40 CFR 1036.111 — Diagnostic and inducement requirementsAnalysisRules whose benefits leaned on co-benefits.
  4. 4.Reassess diesel rule cost-benefit analyses