I-EU ihlela ukufaka imikhumbi eya emachwebeni aseYurophu ohlelweni lwe-Carbon Emission Trading System (ETS) oluqala kusukela ngoJanuwari 1, 2024, kanye nenani elilinganiselwa ku-$ 3.6 billion yesinxephezelo sokukhishwa kwekhabhoni eYurophu ngo-2024. Okusho ukuthi, izinkampani zemikhumbi kufanele zithenge isinxephezelo sekhabhoni ngenxa yokukhishwa kwekhabhoni ekhiqizwa imikhumbi ehamba phakathi kwamachweba amabili e-EU; Uma amachweba we-EU kanye ne-non-EU enemikhumbi ehamba phakathi kwawo, kufanele athwale u-50% wezindleko zokukhishwa kwekhabhoni.