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The report identifies 30 companies, termed the "emissions aristocracy," that were responsible for over 50% of total EU ETS emissions in 2022. While the power sector has seen significant emission reductions since 2013 due to the absence of free allowances, heavy industries like steel, cement, and petrochemicals have experienced stagnant progress. The author argues that free allowances create windfall profits and remove the financial incentive to innovate, calling for a transition to full auctioning by 2030 to ensure the polluter pays principle is upheld.