A bill to amend the Internal Revenue Code of 1986 to provide a gasoline tax holiday.
Summary
S.4032 (Gas Prices Relief Act of 2026) proposes a federal gasoline excise tax holiday through October 1, 2026. The bill is in early legislative stages (referred to Senate Finance Committee) with companion bills in the House. For refiners and marketers ($XOM, $CVX, $MPC, $PSX, $VLO), the holiday is a pass-through cost reduction with mandatory consumer benefit — it does not change net earnings or competitive dynamics. Real market data through April 30, 2026 shows mixed 30-day performance but strong 7-day rallies across all five tickers, likely driven by broader energy sector dynamics rather than this stalled legislation.
See which stocks are affected
Key takeaways, market implications, full AI analysis, and connected signals are available to HillSignal members.
Already have an account? Log in
Key Takeaways
- 1.S.4032 is an early-stage bill with zero committee action since introduction — market expectations for passage should be near zero.
- 2.The consumer pass-through mandate prevents refiners from capturing any benefit of the tax holiday; net earnings impact for $XOM, $CVX, $MPC, $PSX, $VLO is effectively zero.
- 3.Real market data shows strong 7-day rallies in refining stocks, but these are driven by non-legislative factors — likely crude/refined product spread dynamics, not policy.
- 4.The bill includes a general fund backstop for the Highway Trust Fund, protecting infrastructure funding — no impact on construction or materials companies.
- 5.Even if enacted, the holiday is temporary (through October 2026) and does not alter long-term industry structure, renewable fuel standards, or environmental compliance costs.
Market Implications
The near-zero passage probability of S.4032 means the real market price action in $XOM, $CVX, $MPC, , and should be attributed to other factors — crude oil supply dynamics, refining margins, and broader energy equity flows. The 7-day rally of +7.74% in $MPC, +7.43% in , and +4.82% in , combined with recovery from 30-day lows, suggests a rotation into downstream names on product market strength. No trading strategy should be built around this bill. Investors should monitor the Senate Finance Committee calendar for hearings or markup notices — absence of activity confirms no market impact.
Full Analysis
-
WHAT HAPPENED: On March 9, 2026, Senator Mark Kelly (D-AZ) and one cosponsor introduced S.4032, the Gas Prices Relief Act of 2026. The bill was read twice and referred to the Senate Committee on Finance — its only action to date. Companion bill H.R.7919 was introduced in the House and referred to Ways and Means. A prior related bill, H.R.3768 (2025), also stalled in committee. The bill is at procedural stage with no hearings scheduled; passage probability for this session is low.
-
MONEY TRAIL: The bill does not authorize or appropriate any new spending. It zeroes out the 18.4¢ per gallon federal excise tax on gasoline (and the 0.1¢ LUSTT fee) through October 1, 2026. To keep the Highway Trust Fund and LUST Trust Fund whole, the bill requires general fund transfers equal to lost tax revenue. This is a revenue reduction (not outlay increase) — the federal deficit would rise by the cost of the tax holiday, but no company receives direct payments.
-
STRUCTURAL WINNERS & LOSERS: The bill's explicit consumer pass-through policy (section(c)) eliminates the potential windfall for refiners and marketers. Unlike a tax cut paid to producers, this is a tax cut that must be given to consumers or face penalties. Result: no structural winner among refiners. Consumers gain ~$0.18/gal at the pump temporarily. The Highway Trust Fund is protected by general fund transfer — construction and infrastructure companies ($CAT, $VMC, $MLM) see no change in federal funding. Pipeline and terminal operators ($PAA, $WMB) are unaffected because the tax applies at rack/dispatch, not on pipeline movements.
-
REAL MARKET DATA: As of April 30, 2026, the five refiner/marketer tickers show strong 7-day performance: $XOM +3.32% to $153.85, $CVX +3.53% to $191.75, $MPC +7.74% to $241.48, +7.43% to $174.95, +4.82% to $247.21. These rallies appear unrelated to S.4032 (a stalled early-stage bill) and are consistent with broader energy sector recovery from 30-day declines: $XOM -9.32%, $CVX -7.32%, $MPC -1.11%, -3.97%, +0.05%. The refiner-heavy rally ($MPC, , outperforming $XOM, $CVX) suggests sentiment around crack spreads or product demand, not legislative tax policy.
-
TIMELINE: S.4032 faces long odds. It needs Finance Committee markup, floor vote in the Senate, passage of identical House companion H.R.7919 through Ways and Means and House floor, conference committee (if different), and presidential signature. With only one committee referral and no hearings in 53 days, the bill is effectively parked. The Biden administration has not issued a statement of support. Even if passed, the holiday expires October 1, 2026 — a temporary policy with no durable market impact.
Intelligence Surface
Cross-referenced against federal contracts, SEC insider filings & congressional trade disclosures
Multiple independent sources confirm this signal’s market thesis
What the bill does
Tax holiday: federal gasoline excise tax reduced to $0.00 per gallon from enactment through October 1, 2026; general fund transfers compensate the Highway Trust Fund and Leaking Underground Storage Tank Trust Fund.
Who must act
Gasoline producers, importers, and dealers who are liable for excise tax under IRC section 4081.
What happens
Refiners and marketers lose the 18.4¢ per gallon federal excise tax on gasoline sales; they must reduce retail prices to pass savings to consumers or face monetary penalties under section (c) of the bill. Net revenue effect: the tax reduction is offset by general fund transfers to Trust Funds, so the industry's net cost burden does not change, but price pass-through requirements compress wholesale-to-retail margins if not fully executed.
Stock impact
XOM operates large-scale US refining and retail network; the tax holiday removes a cost component currently embedded in retail prices, but the mandatory pass-through provision (section (c)) prevents refiners from capturing the spread. Net margin impact is near-zero because the tax is a pass-through cost, but the enforcement mechanism creates operational compliance risk if retail systems fail to adjust prices immediately. No change to XOM's core upstream or downstream economics.
What the bill does
Same tax holiday and pass-through requirement as above.
Who must act
Chevron's US refining and marketing segment (including Chevron stations).
What happens
Same as XOM: removal of 18.4¢/gal federal excise tax on gasoline, with mandatory consumer pass-through enforced by civil monetary penalties. No net change to Chevron's tax liability, but retail price adjustment costs and compliance burden apply.
Stock impact
CVX's US downstream segment (refining, marketing, lubricants) sees no change in pre-tax profit from the tax holiday itself because the tax is remitted by the producer and passed forward. The policy's consumer benefit clause adds a small administrative cost but does not alter Chevron's competitive position or refining margins materially.
Connected Signals
Matched on shared policy language across AI analyses, with ticker & timing weight
New Source Review Permitting Improvement Act
DPA Modernization Act of 2026
To impose sanctions with respect to persons engaged in significant transactions related or incidental to the processing, refining, export, transfer or sale of oil, condensates, or other petroleum or petrochemical products in whole or in part from the Islamic Republic of Iran
A bill to amend the Internal Revenue Code of 1986 to impose a windfall profits excise tax on crude oil and to rebate the tax collected back to individual taxpayers, and for other purposes.
American Petroleum First Act
Diesel Truck Liberation Act of 2026
To prohibit liability against those engaged in the mining, extraction, production, refinement, transportation, distribution, marketing, manufacture, or sale of energy for damages or injunctive or other relief from the use of their products, and for other purposes.
A concurrent resolution setting forth the congressional budget for the United States Government for fiscal year 2026 and setting forth the appropriate budgetary levels for fiscal years 2027 through 2035.
Related Presidential Actions
Executive orders & memoranda affecting the same sectors or companies
Presidential Determination Pursuant to Section 101 of the Defense Production Act of 1950, as Amended, on Recoverable Critical Minerals and Materials
This memorandum invokes the Defense Production Act (DPA) Section 101 to declare that recoverable critical minerals and materials (such as black mass, end-of-life rare-earth magnets, and scrap) are essential to national defense and that the U.S. cannot meet defense needs without disrupting civilian markets. It directs the Secretary of Commerce to issue regulations and take actions—including priority contracts and supply-chain interventions—to rapidly expand domestic recovery and processing of these materials, while explicitly excluding copper scrap already covered by a separate proclamation.
Imposing Additional Duties to Offset Canadian Discrimination Against the Commerce of the United States with Respect to Motor Vehicles
This proclamation imposes a 50% ad valorem duty on certain Canadian products, effective August 19, 2026, under Section 338 of the Tariff Act of 1930, to offset Canada's discriminatory 25% tariff and tariff-rate quota on U.S. motor vehicle exports, which have reduced U.S. auto exports to Canada by 22% and shifted demand to competitors like Mexico, Japan, Korea, and Germany.
Further Strengthening Actions Taken to Adjust Imports of Aluminum into the United States
This proclamation modifies the Section 232 tariff regime on aluminum imports by authorizing the Secretary of Commerce to establish a program that incentivizes new U.S. investment in primary aluminum production. Companies with approved onshoring plans can import primary aluminum at half the standard Section 232 duty rate, up to the anticipated annual output of their new or expanded facilities, with construction required to start by January 20, 2029. The action aims to boost domestic primary aluminum supply for national security and defense industrial base needs.
Free — no credit card
Get the next market-moving signal before the news does
HillSignal scores every Congressional bill, federal contract, and insider filing for market impact and emails you the high-conviction ones — free, no credit card.
Weekly digest — the congressional activity that actually moved markets that week, in plain English. Free, one email.
Free forever plan · No credit card · Unsubscribe in one click
Want the live terminal too? Create a free account →