Judgment of the General Court (Fourth Chamber) of 11 December 2024.#Carmeuse Holding SRL v European Commission.#Environment – Directive 2003/87/EC – Scheme for greenhouse gas emission allowance trading – Transitional rules for the harmonised free allocation of emission allowances for the 2021-2030 period – Changes to Romania’s national allocation table for the 2021-2025 period – Transitional free allocation of greenhouse gas emission allowances to installations producing quicklime – Obligation to state reasons – Right to be heard – Principle of good administration – Error of law – Manifest error of assessment – Equal treatment – Legal certainty – Legitimate expectations.#Case T-554/22.