1. Regional Greenhouse Gas Initiative prices climbed during thetrading week ending Dec. 16.2. RGGI Vintage 2020 for December 2020 delivery added 34 cents onthe week to be assessed at $7.86/ton.3. RGGI V21 for December 2021 delivery closed the week at $7.93/tonon the Intercontinental Exchange, at a premium to the currentvintage.
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