U.S. Energy Information Administration
Isobutane
EIA petroleum pnp inpt3 data for Isobutane.
Series
20
normalized EIA series
Observations
84
records in the database
Latest record
31 Dec 2025
newest observation
Cadences
2
annual, monthly
Stale petroleum series
12 of 20 series for this product have not updated within their expected cadence. They remain available for historical analysis.
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
U.S. Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbld-monthlyU.S.Stalemonthly0 MBBL/D30 Jun 2025 · 14 rows
U.S. Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbl-monthlyU.S.Stalemonthly1 MBBL30 Jun 2025 · 14 rows
Gulf Coast (PADD 3) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r30-mbbld-monthlyPADD 3Stalemonthly4 MBBL/D31 Jan 2025 · 1 rows
Gulf Coast (PADD 3) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r30-mbbl-monthlyPADD 3Stalemonthly109 MBBL31 Jan 2025 · 1 rows
Refining District Texas Gulf Coast Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r3b-mbbld-monthlyNAStalemonthly4 MBBL/D31 Jan 2025 · 1 rows
Refining District Texas Gulf Coast Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r3b-mbbl-monthlyNAStalemonthly109 MBBL31 Jan 2025 · 1 rows
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbld-monthlyPADD 4Stalemonthly0 MBBL/D30 Jun 2025 · 14 rows
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbl-monthlyPADD 4Stalemonthly1 MBBL30 Jun 2025 · 14 rows
U.S. Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbl-annualU.S.annual116 MBBL31 Dec 2025 · 4 rows
U.S. Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbld-annualU.S.annual0 MBBL/D31 Dec 2025 · 4 rows
Midwest (PADD 2) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r20-mbbl-annualPADD 2Staleannual1 MBBL31 Dec 2022 · 1 rows
Midwest (PADD 2) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r20-mbbld-annualPADD 2Staleannual0 MBBL/D31 Dec 2022 · 1 rows
Refining District Indiana-Illinois-Kentucky Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r2a-mbbl-annualNAStaleannual1 MBBL31 Dec 2022 · 1 rows
Refining District Indiana-Illinois-Kentucky Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r2a-mbbld-annualNAStaleannual0 MBBL/D31 Dec 2022 · 1 rows
Gulf Coast (PADD 3) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r30-mbbl-annualPADD 3annual109 MBBL31 Dec 2025 · 1 rows
Gulf Coast (PADD 3) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r30-mbbld-annualPADD 3annual0 MBBL/D31 Dec 2025 · 1 rows
Refining District Texas Gulf Coast Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r3b-mbbl-annualNAannual109 MBBL31 Dec 2025 · 1 rows
Refining District Texas Gulf Coast Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r3b-mbbld-annualNAannual0 MBBL/D31 Dec 2025 · 1 rows
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbl-annualPADD 4annual7 MBBL31 Dec 2025 · 4 rows
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbld-annualPADD 4annual0 MBBL/D31 Dec 2025 · 4 rows
Latest observations
Recent records
U.S. Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbl-annualannual116 MBBL31 Dec 2025
U.S. Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbld-annualannual0 MBBL/D31 Dec 2025
Gulf Coast (PADD 3) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r30-mbbl-annualannual109 MBBL31 Dec 2025
Gulf Coast (PADD 3) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r30-mbbld-annualannual0 MBBL/D31 Dec 2025
Refining District Texas Gulf Coast Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r3b-mbbl-annualannual109 MBBL31 Dec 2025
Refining District Texas Gulf Coast Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r3b-mbbld-annualannual0 MBBL/D31 Dec 2025
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbl-annualannual7 MBBL31 Dec 2025
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbld-annualannual0 MBBL/D31 Dec 2025
U.S. Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbld-monthlymonthly0 MBBL/D30 Jun 2025
U.S. Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbl-monthlymonthly1 MBBL30 Jun 2025
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbld-monthlymonthly0 MBBL/D30 Jun 2025
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbl-monthlymonthly1 MBBL30 Jun 2025
U.S. Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbld-monthlymonthly0 MBBL/D31 May 2025
U.S. Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbl-monthlymonthly1 MBBL31 May 2025
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbld-monthlymonthly0 MBBL/D31 May 2025
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbl-monthlymonthly1 MBBL31 May 2025
U.S. Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbld-monthlymonthly0 MBBL/D30 Apr 2025
U.S. Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbl-monthlymonthly1 MBBL30 Apr 2025
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbld-monthlymonthly0 MBBL/D30 Apr 2025
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbl-monthlymonthly1 MBBL30 Apr 2025
U.S. Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbld-monthlymonthly0 MBBL/D31 Mar 2025
U.S. Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbl-monthlymonthly1 MBBL31 Mar 2025
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbld-monthlymonthly0 MBBL/D31 Mar 2025
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbl-monthlymonthly1 MBBL31 Mar 2025
U.S. Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbld-monthlymonthly0 MBBL/D28 Feb 2025
U.S. Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbl-monthlymonthly1 MBBL28 Feb 2025
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbld-monthlymonthly0 MBBL/D28 Feb 2025
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbl-monthlymonthly1 MBBL28 Feb 2025
U.S. Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbld-monthlymonthly4 MBBL/D31 Jan 2025
U.S. Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbl-monthlymonthly111 MBBL31 Jan 2025
Gulf Coast (PADD 3) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r30-mbbld-monthlymonthly4 MBBL/D31 Jan 2025
Gulf Coast (PADD 3) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r30-mbbl-monthlymonthly109 MBBL31 Jan 2025
Refining District Texas Gulf Coast Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r3b-mbbld-monthlymonthly4 MBBL/D31 Jan 2025
Refining District Texas Gulf Coast Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r3b-mbbl-monthlymonthly109 MBBL31 Jan 2025
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbld-monthlymonthly0 MBBL/D31 Jan 2025
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbl-monthlymonthly2 MBBL31 Jan 2025
U.S. Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbl-annualannual16 MBBL31 Dec 2024
U.S. Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbld-annualannual0 MBBL/D31 Dec 2024
U.S. Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbld-monthlymonthly0 MBBL/D31 Dec 2024
U.S. Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbl-monthlymonthly2 MBBL31 Dec 2024
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbl-annualannual16 MBBL31 Dec 2024
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbld-annualannual0 MBBL/D31 Dec 2024
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbld-monthlymonthly0 MBBL/D31 Dec 2024
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbl-monthlymonthly2 MBBL31 Dec 2024
U.S. Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbld-monthlymonthly0 MBBL/D30 Nov 2024
U.S. Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbl-monthlymonthly1 MBBL30 Nov 2024
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbld-monthlymonthly0 MBBL/D30 Nov 2024
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbl-monthlymonthly1 MBBL30 Nov 2024
U.S. Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbld-monthlymonthly0 MBBL/D31 Oct 2024
U.S. Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbl-monthlymonthly1 MBBL31 Oct 2024
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbld-monthlymonthly0 MBBL/D31 Oct 2024
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbl-monthlymonthly1 MBBL31 Oct 2024
U.S. Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbld-monthlymonthly0 MBBL/D30 Sept 2024
U.S. Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbl-monthlymonthly1 MBBL30 Sept 2024
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbld-monthlymonthly0 MBBL/D30 Sept 2024
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbl-monthlymonthly1 MBBL30 Sept 2024
U.S. Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbld-monthlymonthly0 MBBL/D31 Aug 2024
U.S. Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbl-monthlymonthly1 MBBL31 Aug 2024
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbld-monthlymonthly0 MBBL/D31 Aug 2024
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbl-monthlymonthly1 MBBL31 Aug 2024
U.S. Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbld-monthlymonthly0 MBBL/D31 Jul 2024
U.S. Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbl-monthlymonthly2 MBBL31 Jul 2024
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbld-monthlymonthly0 MBBL/D31 Jul 2024
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbl-monthlymonthly2 MBBL31 Jul 2024
U.S. Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbld-monthlymonthly0 MBBL/D30 Jun 2024
U.S. Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbl-monthlymonthly2 MBBL30 Jun 2024
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbld-monthlymonthly0 MBBL/D30 Jun 2024
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbl-monthlymonthly2 MBBL30 Jun 2024
U.S. Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbld-monthlymonthly0 MBBL/D31 May 2024
U.S. Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbl-monthlymonthly1 MBBL31 May 2024
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbld-monthlymonthly0 MBBL/D31 May 2024
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbl-monthlymonthly1 MBBL31 May 2024
U.S. Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbl-annualannual19 MBBL31 Dec 2023
U.S. Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbld-annualannual0 MBBL/D31 Dec 2023
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbl-annualannual19 MBBL31 Dec 2023
Rocky Mountain (PADD 4) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r40-mbbld-annualannual0 MBBL/D31 Dec 2023
U.S. Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbl-annualannual30 MBBL31 Dec 2022
U.S. Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-nus-mbbld-annualannual0 MBBL/D31 Dec 2022
Midwest (PADD 2) Blender Net Input of Isobutane (Thousand Barrels)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r20-mbbl-annualannual1 MBBL31 Dec 2022
Midwest (PADD 2) Blender Net Input of Isobutane (Thousand Barrels per Day)eia-petroleum-petroleum-pnp-inpt3-m-epllbai-yib-r20-mbbld-annualannual0 MBBL/D31 Dec 2022
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.