Gas Prices Relief Act of 2026
Summary
HR7919 is an early-stage bill proposing a federal gasoline tax holiday until October 1, 2026, with General Fund backfill for the Highway Trust Fund. It is net neutral for midstream operators KMI and ET due to the backfill protecting throughput volumes, and net negative for refiners PSX and MPC due to mandatory pass-through of the tax cut to consumers. Passage probability is low given the Democratic sponsorship in a divided House. The bill has no near-term market impact—recent 30-day refining stock declines of -2.93% (PSX) and +0.92% (MPC) reflect crude margin cycles, not this legislation.
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Key Takeaways
- 1.HR7919 has low probability of passage given Democratic sponsorship in a divided 119th Congress; no committee markup scheduled.
- 2.Midstream operators KMI and ET are structurally neutral due to Highway Trust Fund backfill; no revenue impact.
- 3.Refiners PSX and MPC would face a 6-month mandatory pass-through of ~18.4¢/gallon if enacted, but this is hypothetical risk only.
- 4.Recent market price action in PSX, MPC, KMI, and ET is driven by crude margins and commodity trends, not this bill.
Market Implications
No actionable market impact today. Refiners PSX ($176.85) and MPC ($246.43) have rallied strongly over the past 10 trading days on improving crack spreads—this legislative headline is noise. Midstream operators KMI ($32.72) and ET ($20.09) continue to trade on infrastructure demand and natural gas/NGL fundamentals. Investors should ignore HR7919 for near-term trading decisions. If the bill somehow gains committee traction—which would require bipartisan cosponsors and a Ways and Means markup—monitor implied refining margin compression, but that scenario is below 10% probability.
Full Analysis
What happened: On March 12, 2026, Representative Pappas (D-NH) introduced HR7919, the Gas Prices Relief Act of 2026, which would set the federal gasoline excise tax to zero from enactment through October 1, 2026. The bill was referred to the House Committee on Ways and Means. A companion bill, S4032, has been introduced in the Senate. As of April 30, 2026, the bill remains in committee with no further action. Sponsorship by a single Democratic junior member in a divided House (119th Congress, Republican-controlled House) means passage probability is low.
The money trail: The bill does not authorize or appropriate any spending. Section 2(b) provides a mechanism for the Treasury to transfer General Fund monies to the Highway Trust Fund and Leaking Underground Storage Tank Trust Fund equal to the forgone tax revenue. This is a backfill authorization—it requires a separate appropriations step for the General Fund outlay. No explicit dollar amount is stated; the CBO would need to score the revenue loss. The penalty provision in Section 2(c) empowers Treasury to enforce consumer pass-through but does not establish a specific penalty fund or allocate money.
Structural winners and losers: The bill is net neutral for midstream operators KMI and ET. Their refined products pipeline volumes (gasoline, diesel, jet fuel) are driven by underlying demand and highway construction spending—the Highway Trust Fund backfill protects the latter. For refiners PSX and MPC, the bill is net negative if enacted. The mandatory pass-through of the 18.4¢/gallon tax cut eliminates any ability to capture the tax differential as margin. However, given the near-zero probability of passage in the current Congress, this is a theoretical risk, not a live market factor.
Real market data analysis: The actual recent price action confirms this bill is not moving markets. PSX has rallied 13.1% over the last 10 trading days (April 17 close of $156.37 to April 30 close of $176.85) on a 7-day gain of +8.6%, driven by refining margin recovery and crude spread tightening. MPC is up 15.3% over the same period ($213.69 to $246.43) with a 7-day gain of +9.94%. These moves correspond to the crack spread environment, not legislative risk. KMI and ET show modest gains in-line with midstream sector performance.
Timeline: As an early-stage bill referred to committee, the legislative path would require Ways and Means markup, House floor passage, Senate Finance Committee markup, Senate floor passage, conference committee, and presidential signature. With the 119th Congress running through January 2027 and a divided government, the probability of completion by October 1, 2026 is below 10%. Investors should treat this as a non-event for portfolio positioning.
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
Same conditional gasoline excise tax holiday (Section 2(a)) and consumer pass-through enforcement mandate (Section 2(c)) as applied to all refiners and dealers.
Who must act
Marathon Petroleum Corporation, as a U.S. gasoline refiner and marketer via its Speedway and ARCO retail networks.
What happens
Marathon would be required to pass the 18.4¢/gallon tax reduction to consumers at both the wholesale rack and retail pump. Marathon's refining system throughput is ~3M bpd, with gasoline ~50% of yield. The penalty provision is enforceable by Treasury against any entity in the distribution chain that fails to reduce prices.
Stock impact
Marathon's refining and marketing segment generated ~$140B in revenue in FY2025. A 6-month mandatory pass-through of 18.4¢/gallon on ~1.5M bpd gasoline output equates to roughly $1.5B in direct revenue foregone. Marathon has no offsetting mechanism—the bill explicitly prohibits retaining any portion of the tax savings. Given the early-stage status and divided House, the probability-weighted impact is near zero today.
What the bill does
Section 2(b) authorizes General Fund transfers to the Highway Trust Fund and Leaking Underground Storage Tank Trust Fund equal to the tax revenue lost by the holiday, preserving federal fuel tax-funded highway and infrastructure spending programs.
Who must act
The U.S. Treasury; the Highway Trust Fund is the primary payer for federal highway construction and maintenance contracts, which drive demand for asphalt, diesel, and construction materials transported by pipelines.
What happens
Kinder Morgan’s products pipeline volumes—which include gasoline, diesel, jet fuel, and asphalt—are protected because the trust fund backfill keeps state-level highway contracting budgets at baseline. No disruption to throughput demand from reduced infrastructure spending.
Stock impact
Kinder Morgan's products pipeline segment contributed ~$4B of its ~$20B revenue in FY2025. Since highway contracting is the largest demand driver for refined products transport, the backfill ensures volume stability. No direct revenue impact from the tax holiday itself; the bill is net neutral for KMI. The current stock price of $32.72, with a 7-day +3.09% and 30-day -2.42%, is driven by broader crude and product demand cycles, not this bill.
Connected Signals
Matched on shared policy language across AI analyses, with ticker & timing weight
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