MassiveIndustry

(Fri, 24 Jun 2016) Prices of carbon dioxide (CO2) emission allowances in the Regional Greenhouse Gas Initiative (RGGI) have fallen for the second auction in a row, to $4.53 per metric ton (mt) of CO2. The auction prices on June 1 were 40% below their previous peak value of $7.50/mtCO2, reached on December 2, 2015.