EU tsab ntawv tshaj tawm "Industrial Equipment Sustainability Directive" xav kom cov tuam txhab tsheb ciav hlau crane muab cov khoom siv rov ua dua tshiab (Ntau dua lossis sib npaug li 85%) thiab cov ntaub ntawv qhia txog cov pa roj carbon monoxide los ntawm 2025. Ntau lub tuam txhab tau pib tsim cov qauv kev tsheb ciav hlau uas tuaj yeem ua kom yooj yim dua tom qab thiab txo cov peev txheej pov tseg.
