U.S. Energy Information Administration
Residual Fuel Oil, 0.31 to 1.00% Sulfur
EIA petroleum stoc typ data for Residual Fuel Oil, 0.31 to 1.00% Sulfur.
Series
12
normalized EIA series
Observations
162
records in the database
Latest record
31 Mar 2026
newest observation
Cadences
2
annual, monthly
Series chart
Selected series performance
Latest
No value
No observation
Change
No prior value
No prior value
52W high
No value
No observation
52W low
No value
No observation
ATH
No value
No observation
ATL
No value
No observation
Series
Available petroleum series
East Coast (PADD 1) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp11-monthlyPADD 1monthly353 MBBL31 Mar 2026 · 23 rows
Midwest (PADD 2) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp21-monthlyPADD 2monthly90 MBBL31 Mar 2026 · 23 rows
Gulf Coast (PADD 3) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp31-monthlyPADD 3monthly466 MBBL31 Mar 2026 · 23 rows
Rocky Mountain (PADD 4) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp41-monthlyPADD 4monthly6 MBBL31 Mar 2026 · 23 rows
West Coast (PADD 5) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp51-monthlyPADD 5monthly377 MBBL31 Mar 2026 · 23 rows
U.S. Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsus1-monthlyU.S.monthly1,292 MBBL31 Mar 2026 · 23 rows
East Coast (PADD 1) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp11-annualPADD 1annual322 MBBL31 Dec 2025 · 4 rows
Midwest (PADD 2) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp21-annualPADD 2annual114 MBBL31 Dec 2025 · 4 rows
Gulf Coast (PADD 3) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp31-annualPADD 3annual529 MBBL31 Dec 2025 · 4 rows
Rocky Mountain (PADD 4) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp41-annualPADD 4annual6 MBBL31 Dec 2025 · 4 rows
West Coast (PADD 5) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp51-annualPADD 5annual219 MBBL31 Dec 2025 · 4 rows
U.S. Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsus1-annualU.S.annual1,190 MBBL31 Dec 2025 · 4 rows
Latest observations
Recent records
East Coast (PADD 1) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp11-monthlymonthly353 MBBL31 Mar 2026
Midwest (PADD 2) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp21-monthlymonthly90 MBBL31 Mar 2026
Gulf Coast (PADD 3) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp31-monthlymonthly466 MBBL31 Mar 2026
Rocky Mountain (PADD 4) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp41-monthlymonthly6 MBBL31 Mar 2026
West Coast (PADD 5) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp51-monthlymonthly377 MBBL31 Mar 2026
U.S. Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsus1-monthlymonthly1,292 MBBL31 Mar 2026
East Coast (PADD 1) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp11-monthlymonthly349 MBBL28 Feb 2026
Midwest (PADD 2) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp21-monthlymonthly100 MBBL28 Feb 2026
Gulf Coast (PADD 3) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp31-monthlymonthly517 MBBL28 Feb 2026
Rocky Mountain (PADD 4) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp41-monthlymonthly5 MBBL28 Feb 2026
West Coast (PADD 5) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp51-monthlymonthly352 MBBL28 Feb 2026
U.S. Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsus1-monthlymonthly1,323 MBBL28 Feb 2026
East Coast (PADD 1) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp11-monthlymonthly308 MBBL31 Jan 2026
Midwest (PADD 2) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp21-monthlymonthly138 MBBL31 Jan 2026
Gulf Coast (PADD 3) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp31-monthlymonthly483 MBBL31 Jan 2026
Rocky Mountain (PADD 4) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp41-monthlymonthly5 MBBL31 Jan 2026
West Coast (PADD 5) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp51-monthlymonthly331 MBBL31 Jan 2026
U.S. Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsus1-monthlymonthly1,265 MBBL31 Jan 2026
East Coast (PADD 1) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp11-annualannual322 MBBL31 Dec 2025
East Coast (PADD 1) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp11-monthlymonthly322 MBBL31 Dec 2025
Midwest (PADD 2) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp21-annualannual114 MBBL31 Dec 2025
Midwest (PADD 2) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp21-monthlymonthly114 MBBL31 Dec 2025
Gulf Coast (PADD 3) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp31-annualannual529 MBBL31 Dec 2025
Gulf Coast (PADD 3) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp31-monthlymonthly529 MBBL31 Dec 2025
Rocky Mountain (PADD 4) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp41-annualannual6 MBBL31 Dec 2025
Rocky Mountain (PADD 4) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp41-monthlymonthly6 MBBL31 Dec 2025
West Coast (PADD 5) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp51-annualannual219 MBBL31 Dec 2025
West Coast (PADD 5) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp51-monthlymonthly219 MBBL31 Dec 2025
U.S. Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsus1-annualannual1,190 MBBL31 Dec 2025
U.S. Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsus1-monthlymonthly1,190 MBBL31 Dec 2025
East Coast (PADD 1) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp11-monthlymonthly477 MBBL30 Nov 2025
Midwest (PADD 2) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp21-monthlymonthly84 MBBL30 Nov 2025
Gulf Coast (PADD 3) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp31-monthlymonthly476 MBBL30 Nov 2025
Rocky Mountain (PADD 4) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp41-monthlymonthly11 MBBL30 Nov 2025
West Coast (PADD 5) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp51-monthlymonthly219 MBBL30 Nov 2025
U.S. Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsus1-monthlymonthly1,267 MBBL30 Nov 2025
East Coast (PADD 1) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp11-monthlymonthly169 MBBL31 Oct 2025
Midwest (PADD 2) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp21-monthlymonthly121 MBBL31 Oct 2025
Gulf Coast (PADD 3) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp31-monthlymonthly469 MBBL31 Oct 2025
Rocky Mountain (PADD 4) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp41-monthlymonthly8 MBBL31 Oct 2025
West Coast (PADD 5) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp51-monthlymonthly175 MBBL31 Oct 2025
U.S. Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsus1-monthlymonthly942 MBBL31 Oct 2025
East Coast (PADD 1) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp11-monthlymonthly280 MBBL30 Sept 2025
Midwest (PADD 2) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp21-monthlymonthly78 MBBL30 Sept 2025
Gulf Coast (PADD 3) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp31-monthlymonthly442 MBBL30 Sept 2025
Rocky Mountain (PADD 4) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp41-monthlymonthly7 MBBL30 Sept 2025
West Coast (PADD 5) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp51-monthlymonthly349 MBBL30 Sept 2025
U.S. Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsus1-monthlymonthly1,156 MBBL30 Sept 2025
East Coast (PADD 1) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp11-monthlymonthly428 MBBL31 Aug 2025
Midwest (PADD 2) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp21-monthlymonthly101 MBBL31 Aug 2025
Gulf Coast (PADD 3) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp31-monthlymonthly394 MBBL31 Aug 2025
Rocky Mountain (PADD 4) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp41-monthlymonthly5 MBBL31 Aug 2025
West Coast (PADD 5) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp51-monthlymonthly249 MBBL31 Aug 2025
U.S. Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsus1-monthlymonthly1,177 MBBL31 Aug 2025
East Coast (PADD 1) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp11-monthlymonthly630 MBBL31 Jul 2025
Midwest (PADD 2) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp21-monthlymonthly176 MBBL31 Jul 2025
Gulf Coast (PADD 3) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp31-monthlymonthly361 MBBL31 Jul 2025
Rocky Mountain (PADD 4) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp41-monthlymonthly9 MBBL31 Jul 2025
West Coast (PADD 5) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp51-monthlymonthly264 MBBL31 Jul 2025
U.S. Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsus1-monthlymonthly1,440 MBBL31 Jul 2025
East Coast (PADD 1) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp11-monthlymonthly244 MBBL30 Jun 2025
Midwest (PADD 2) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp21-monthlymonthly124 MBBL30 Jun 2025
Gulf Coast (PADD 3) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp31-monthlymonthly409 MBBL30 Jun 2025
Rocky Mountain (PADD 4) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp41-monthlymonthly10 MBBL30 Jun 2025
West Coast (PADD 5) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp51-monthlymonthly377 MBBL30 Jun 2025
U.S. Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsus1-monthlymonthly1,164 MBBL30 Jun 2025
East Coast (PADD 1) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp11-monthlymonthly437 MBBL31 May 2025
Midwest (PADD 2) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp21-monthlymonthly118 MBBL31 May 2025
Gulf Coast (PADD 3) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp31-monthlymonthly461 MBBL31 May 2025
Rocky Mountain (PADD 4) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp41-monthlymonthly12 MBBL31 May 2025
West Coast (PADD 5) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp51-monthlymonthly396 MBBL31 May 2025
U.S. Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsus1-monthlymonthly1,424 MBBL31 May 2025
East Coast (PADD 1) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp11-monthlymonthly169 MBBL30 Apr 2025
Midwest (PADD 2) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp21-monthlymonthly61 MBBL30 Apr 2025
Gulf Coast (PADD 3) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp31-monthlymonthly479 MBBL30 Apr 2025
Rocky Mountain (PADD 4) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp41-monthlymonthly6 MBBL30 Apr 2025
West Coast (PADD 5) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp51-monthlymonthly362 MBBL30 Apr 2025
U.S. Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsus1-monthlymonthly1,077 MBBL30 Apr 2025
East Coast (PADD 1) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp11-monthlymonthly387 MBBL31 Mar 2025
Midwest (PADD 2) Residual Fuel Oil, 0.31 to 1.00% Sulfur Stocks at Refineries (Thousand Barrels)eia-petroleum-petroleum-stoc-typ-mrmrsp21-monthlymonthly80 MBBL31 Mar 2025
Sources and methodology
Source: U.S. Energy Information Administration (EIA) Open Data. Petroleum series include the cadence, product group, process, and geography published by EIA. World Price Index normalizes source data for charting and API access and does not imply EIA endorsement.