1 According to estimates made using EPA statistics comparing PCs with and without power management. More info: http://www.energystar.gov/ia/business/bulk_purchasing/
bpsavings_calc/Calc_office_eq.xls 
2 100% recyclable in USA; recyclability may vary in other locations due to availability of recycling programs.
3 HP only registers consumer PC products with EPEAT in the US and Canada. Outside the US and Canada this product would not qualify for registration.