Fuel Origin

Flows

How oil reaches each country

Where the EU’s crude oil and fuel come from, as each member state reports its imports; every band’s width is proportional to tonnes.

In February 2025, Czechia's road diesel supply was 468 kt: 46% from its own refineries, with imports mainly from Germany (39%) and Slovakia (11%); tracing one step back, the crude behind it is estimated to come mainly from the Russia (30%), Azerbaijan (21%) and Kazakhstan (13%), and 6% cannot be traced.

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  • Reported (solid)
  • Our arithmetic on reported figures (dotted)
  • Estimated crude behind the fuel (dashed)
  • Cannot be traced (hatched)

United States → Czechia

Crude behind this road diesel, an estimate (Feb 2025)

29.3 thousand tonnes

est. 6% of Czechia's road diesel supply

less than 0.1 kt reported29 kt estimated

Inferred · medium

Last shipped from

  • Germany29 kt (est. 99%)
  • Austria0.3 kt (est. 1%)

Source: Fuel Origin fuel-chain look-through (docs/HORMUZ_METHOD.md section 8), built on Eurostat nrg_ti_oilm and nrg_cb_oilm

View United States profile →

The numbers as a table
Reported: where Czechia's road diesel came from
FromToTonnesShareHow we know
Czechia (own refineries)Czechia: road diesel supply216,00046.2%ReportedEurostat nrg_cb_oilm (refinery output)
GermanyCzechia: road diesel supply182,00038.9%ReportedEurostat nrg_ti_oilm (imports by partner country, energy basis)
SlovakiaCzechia: road diesel supply52,00011.1%ReportedEurostat nrg_ti_oilm (imports by partner country, energy basis)
AustriaCzechia: road diesel supply18,0003.8%ReportedEurostat nrg_ti_oilm (imports by partner country, energy basis)
Estimate: the crude oil behind each supplier's fuel
FromToTonnesShareHow we know
RussiaCzechia (own refineries)94,94544.0%EstimatedEstimate: Czechia's road diesel to Czechia split by Czechia's crude-import mix over 2024-12 to 2025-02. Confidence: medium.
AzerbaijanCzechia (own refineries)90,82242.0%EstimatedEstimate: Czechia's road diesel to Czechia split by Czechia's crude-import mix over 2024-12 to 2025-02. Confidence: medium.
RussiaSlovakia46,67889.8%EstimatedEstimate: Slovakia's road diesel to Czechia split by Slovakia's crude-import mix over 2024-12 to 2025-02. Confidence: medium.
NorwayGermany35,50019.5%EstimatedEstimate: Germany's road diesel to Czechia split by Germany's crude-import mix over 2024-12 to 2025-02. Confidence: medium.
United StatesGermany28,95515.9%EstimatedEstimate: Germany's road diesel to Czechia split by Germany's crude-import mix over 2024-12 to 2025-02. Confidence: medium.
KazakhstanCzechia (own refineries)28,10913.0%EstimatedEstimate: Czechia's road diesel to Czechia split by Czechia's crude-import mix over 2024-12 to 2025-02. Confidence: medium.
Other crude originsGermany25,11313.8%EstimatedEstimate: Germany's road diesel to Czechia split by Germany's crude-import mix over 2024-12 to 2025-02. Confidence: medium.
Germany: crude origin not reportedGermany23,08212.7%UnknownThe supplying country's statistics did not say where part of its crude came from.
LibyaGermany21,74211.9%EstimatedEstimate: Germany's road diesel to Czechia split by Germany's crude-import mix over 2024-12 to 2025-02. Confidence: medium.
KazakhstanGermany21,58211.9%EstimatedEstimate: Germany's road diesel to Czechia split by Germany's crude-import mix over 2024-12 to 2025-02. Confidence: medium.
United KingdomGermany18,40410.1%EstimatedEstimate: Germany's road diesel to Czechia split by Germany's crude-import mix over 2024-12 to 2025-02. Confidence: medium.
KazakhstanAustria9,83854.7%EstimatedEstimate: Austria's road diesel to Czechia split by Austria's crude-import mix over 2024-12 to 2025-02. Confidence: medium.
AzerbaijanGermany6,9203.8%EstimatedEstimate: Germany's road diesel to Czechia split by Germany's crude-import mix over 2024-12 to 2025-02. Confidence: medium.
LibyaAustria3,49319.4%EstimatedEstimate: Austria's road diesel to Czechia split by Austria's crude-import mix over 2024-12 to 2025-02. Confidence: medium.
Other crude originsSlovakia2,9525.7%EstimatedEstimate: Slovakia's road diesel to Czechia split by Slovakia's crude-import mix over 2024-12 to 2025-02. Confidence: medium.
Smaller flows: crude not from importsCzechia (own refineries)2,1241.0%UnknownThe refineries used more crude than the country imported (its own production or stocks). That part is not traced rather than being filled with the import mix.
Smaller flows: crude origin not reportedAustria1,7139.5%UnknownThe supplying country's statistics did not say where part of its crude came from.
Smaller flows: crude not from importsSlovakia1,6323.1%UnknownThe refineries used more crude than the country imported (its own production or stocks). That part is not traced rather than being filled with the import mix.
Other crude originsAustria1,3697.6%EstimatedEstimate: Austria's road diesel to Czechia split by Austria's crude-import mix over 2024-12 to 2025-02. Confidence: medium.
Smaller flows: crude not from importsAustria8824.9%UnknownThe refineries used more crude than the country imported (its own production or stocks). That part is not traced rather than being filled with the import mix.
AzerbaijanSlovakia7381.4%EstimatedEstimate: Slovakia's road diesel to Czechia split by Slovakia's crude-import mix over 2024-12 to 2025-02. Confidence: medium.
Smaller flows: crude not from importsGermany7030.4%UnknownThe refineries used more crude than the country imported (its own production or stocks). That part is not traced rather than being filled with the import mix.
AzerbaijanAustria3792.1%EstimatedEstimate: Austria's road diesel to Czechia split by Austria's crude-import mix over 2024-12 to 2025-02. Confidence: medium.
United StatesAustria3261.8%EstimatedEstimate: Austria's road diesel to Czechia split by Austria's crude-import mix over 2024-12 to 2025-02. Confidence: medium.
Source & method
Source
EurostatInferred · medium
Period 2025-02 (month)Updated 2026-09-26 13:30 UTCConfidenceMediumMethodologyDownload CSV

Left: the crude oil behind the fuel (an estimate). Middle: the country’s own refineries and the countries the fuel was last shipped from, which may be a trading hub rather than where it was refined; the estimate treats each as the refiner. Right: Czechia’s supply of road diesel in 2025-02, in tonnes of fuel. Only the middle-to-right flows are reported figures.

Month: 2025-02 (requested). Crude mixes are pooled over 2024-12 to 2025-02.

Fuel that cannot be traced, and the reason

  • Germany: crude origin not reported (23,082 t): The supplying country's statistics did not say where part of its crude came from.
  • Smaller flows: crude not from imports (5,341 t): The refineries used more crude than the country imported (its own production or stocks). That part is not traced rather than being filled with the import mix.
  • Smaller flows: crude origin not reported (1,713 t): The supplying country's statistics did not say where part of its crude came from.
  • Only the supplier -> country links are reported figures. The crude -> supplier links are an estimate: each supplier's fuel is split by that supplier's own crude-import mix over the latest three months.
  • Exports are assumed to be drawn from every source in proportion to its share of supply.
  • The chain looks back one country only. Imports are counted under the country the fuel was last shipped from; where that country has refineries, fuel that only passed through it is traced as if it had been refined there.
  • Widths are tonnes of this fuel, not tonnes of crude oil: a refinery makes several products from each tonne of crude.

Czechia: country page