Official RIN and California LCFS prices, EPA rule changes and compliance dates on one verified screen.
D4 and D6 RIN prices
Weekly prices, USD per RIN. Hover or tap the chart to read a week.
Latest prices
week of 2026-08-24| Series | Last | 1 week | 4 weeks |
|---|---|---|---|
| D4 RIN | 1.98 | ▼ 6.1% | ▼ 11.9% |
| D6 RIN | 1.77 | ▼ 14.3% | ▼ 22.3% |
26-week range: D4 1.17 to 2.24, D6 1.21 to 2.27.
D4 minus D6
weekly, USD per RINLast 52 weeks. A wider gap means biodiesel credits cost more than ethanol credits.
Regulatory changes
EPA Renewable Fuel Standard, Federal Register- Renewable Fuel Standard (RFS) Program: Extension of 2025 Compliance Reporting DeadlineFinal rule, Federal Register 2026-18132
- Notice of August 31, 2026 Decisions on Petitions for Small Refinery Exemptions Under the Renewable Fuel Standard ProgramNotice, Federal Register 2026-17985
- Notice of August 3, 2026 Decisions on Petitions for Small Refinery Exemptions Under the Renewable Fuel Standard ProgramNotice, Federal Register 2026-15905
- Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other ChangesFinal rule, Federal Register 2026-06275
- Rescission of the Greenhouse Gas Endangerment Finding and Motor Vehicle Greenhouse Gas Emission Standards Under the Clean Air ActFinal rule, Federal Register 2026-03157
Every item links to the official document. Alerts and plain-language summaries of what changed are launching soon.
Get the daily brief
The paid brief and price alerts are launching soon. Early members keep the €19/month founding price.
You're on the list.
That email doesn't look right. Please try again.
Cetaflow compliance brief, 2026-09-22
free previewWeekly EPA RIN prices, week of 2026-08-24:
D4 fell 6.1% in a week to 1.98, the lowest since the week of 2026-06-29. Half-year range: 1.17 to 2.24.
D6 fell 14.3% in a week to 1.77, the lowest since the week of 2026-05-11. Half-year range: 1.21 to 2.27.
California LCFS credits averaged 79.05 dollars per MT in the week of 2026-08-31, essentially unchanged from the prior week.
Coming up:
2026-09-30: LCFS, Submit final Q2 fuel transactions report and Q2 crude oil (MCON) reports.
2026-10-01: RFS, RFS 2025 compliance reporting deadline.
2026-11-14: LCFS, Upload all Q3 fuel transactions data in the LRT-CBTS and begin reconciliation with business partners.
Sources: EPA, CARB, Federal Register. Information only, not investment advice.
California LCFS credit price
weeklyCARB, through 2026-08-31.
Fuel ethanol production
weeklyEIA, through 2026-09-04.
Fuel ethanol stocks
weeklyEIA, through 2026-09-04.
Soybean oil price
monthlyUSDA WASDE, through 2026-09-15.
Renewable diesel production
monthlyEIA, through 2026-06.
Biodiesel production
monthlyEIA, through 2026-06.