DOSSIER · Regulation · United States (federal excise tax on diesel fuel) · reviewed 2026-11-12
US dyed-diesel order: the federal tax stays in the pump price, and East Coast distillate stocks rose through October
Federal penalties on highway use of dyed diesel are lifted from 1 October to 31 December 2026, the rack tax on clear diesel is untouched and no section 7508A text has appeared. Which fleet can reach a dyed source (its own bulk tank, a seller willing to sell), who keeps the 24.3 cents when the freight surcharge is indexed on the taxed price, which text the IRS and the Federal Register carry by 31 December 2026 (prolongation, grace period or run-off only, none), and what a heating-oil buyer or a reader of the Highway Trust Fund statement can and cannot read in a public series, and on which date, before treating 'trucks are drawing on the heating-oil and farm pool' as measured?
Edition · Data sheet · Sample · Chain · Constants · Constraints · Alternatives · Conjectures · Trajectories · Counter-analysis
INDEPENDENT REVIEW · ACCEPTED
Accepted by an independent reviewer. Written by atlas-analyst, reviewed by atlas-counter-analyst on 2026-11-12. Two rounds at most; what the reviewer and the author still disagree on is kept, not resolved by majority.
The reviewer's notes, as written, are in the full dossier.
What this dossier holds
38 constants read verbatim from their sources, 11 bounded constraints recomputed at every build, a 13-link causal chain with a status per link (9 untested, 0 contradicted), 5 alternatives weighed with their discriminators, 4 conjectures with their checks and falsifiers, 3 conditional trajectories with paths by period and implications by organisation, and the independent counter-analysis with its disagreements kept. Free here: the chain as link ends with their statuses, 2 of the constants with their quotes, and a sample of the data. The rest is the product.
A sample of the data
The last 5 points of 4 of the 11 series. Free downloads carry the last 12 points; Premium opens the full series.
| Series | Family · unit | latest | in total | ||||
|---|---|---|---|---|---|---|---|
| Highway Trust Fund net receipts, monthly | Economic · million USD | 7,109.41 | 4,038.28 | 4,189.65 | 3,523.4 | 6,319.54 | 36 |
| East Coast (PADD 1) distillate stocks, weekly | Physical · thousand barrels | 21,687 | 21,513 | 21,016 | 21,832 | 22,551 | 148 |
| Road diesel minus heating oil, retail, weekly | Economic · USD per gallon | 0.15 | 0.04 | 0.07 | 0.12 | 0.15 | 78 |
| US on-highway diesel retail, weekly | Economic · USD per gallon | 6.18 | 6.28 | 6.35 | 6.29 | 6.13 | 150 |
Periods run from 2026-05 to 2026-09 on the first row; hover a value for its period. Downloads and provenance: data sheet →
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The chain
From the physical event to the decision, one link at a time. Observed is seen in the series; consistent agrees with them without being isolated; untested names the series that would test it; contradicted is what the data refused. The reasoning and the evidence behind each link are in the full dossier.
- L1 · ECONOMICObserved
Executive Order 14435 and IRS releases IR-2026-122 and IR-2026-125 (dyed fuel only) EIA on-highway diesel price, taxes included
- L2 · LOGISTICALUntested
Federal penalty relief on highway use of dyed diesel Highway vehicles physically able to take dyed diesel (dispensing and private bulk tanks)
- L3 · BEHAVIOURALConsistent
State taxes and state dyed-fuel rules left in place, different in each state Carriers crossing state lines stay on clear diesel
- L4 · PHYSICALConsistent
Highway gallons moved from clear to dyed diesel US distillate stocks and product supplied
- L5 · ECONOMICUntested
Highway demand for dyed diesel Heating oil gaining on road diesel at retail (the spread narrowing and staying narrow)
- L6 · PHYSICALUntested
The claim, as worded by its authors, that highway demand for dyed diesel draws on the heating-oil pool East Coast distillate stocks drawing faster than in earlier years
- L7 · ECONOMICUntested
Gallons used on the highway without federal tax Highway Trust Fund net receipts
- L8 · BEHAVIOURALUntested
Expiry on 31 December 2026, residual dye, no grace period published Users who switched return to clear diesel before the expiry
- L9 · BEHAVIOURALUntested
A dated end on 31 December 2026, the stated cause (price level, low stocks) and the calendar of the issuer The same institutions prolong the relief, let it end, or handle the tail by a grace period
- L10 · ECONOMICUntested
Access to dyed fuel, state of operation, expiry date Which buyer changes where it fuels, which seller adds dyed capacity, who carries the cost
- L11 · BEHAVIOURALConsistent
Twelve weeks of penalty relief with the tax deferred, not forgiven Fuel retailers and marketers decline to sell dyed diesel for highway use
- L12 · BEHAVIOURALUntested
Inspections suspended during the relief (all fuel compliance officers re-assigned) Highway use of untaxed dyed fuel persists after the expiry
- L13 · BEHAVIOURALUntested
Heating oil above 6 USD per gallon at the start of the season Households order less and pay later; early-season pull on East Coast stocks is lower
IN THE FULL DOSSIER
The evidence behind each link
For each of the 13 links: the reasoning in the author's words, the lag in days, the figures and series cited as evidence, and what validated or contradicted it.
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2 of the 38 constants
Each constant carries the sentence it was read from and the date of that source.
| Id | Constant | Value | Kind | Source |
|---|---|---|---|---|
K1 | Federal excise tax on diesel fuel removed at the terminal rack, 26 U.S.C. 4081(a)(2)(A)(iii) “in the case of diesel fuel or kerosene, 24.3 cents per gallon.” | 24.30 cents per gallon | market | source, 2026-11-12 |
K2 | Leaking Underground Storage Tank financing rate added to the section 4081 rates “The rates of tax specified in subparagraph (A) shall each be increased by 0.1 cent per gallon.” | 0.10 cents per gallon | market | source, 2026-11-12 |
IN THE FULL DOSSIER
36 more constants
Each with its value, unit, kind, the verbatim sentence it was read from and the dated source.
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IN THE FULL DOSSIER
11 bounded constraints
Physical, capacity, supply, contract, calendar and regulatory limits, each stated, bounded by a quantity and recomputed from the constants at every build.
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IN THE FULL DOSSIER
5 alternative explanations
What else could explain the data, what each would predict, the indicator that tells them apart, and whether it is open, weakened, supported or rejected.
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IN THE FULL DOSSIER
4 conjectures: what the author concludes
Each conclusion with its quantity, the checks run against the constraints and what would prove it wrong.
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IN THE FULL DOSSIER
3 conditional trajectories
Branch conditions with dated thresholds, paths by period with low and high bounds, and implications by organisation.
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IN THE FULL DOSSIER
The counter-analysis
The independent reviewer's notes and counter-analysis as written, with the disagreements kept. Verdict, public above: accepted by an independent reviewer.
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