EPA Energy Star New Homes Program Version 3.0 has been in effect since January 1, 2012.
Here are a few links to some EPA pamphlets (pdf) about version 3.0:
National Program Requirements (pdf)
Estimated Costs and Savings (pdf)
Executive Summary 2010 (pdf)
ENERGY STAR Qualified Homes, Version 3 (Rev. 03) HERS Index Target Procedure (pdf)
Thermal Enclosure System Rater Checklist (pdf)
HVAC System Quality Installation Checklist (pdf)
Water Management System Builder Checklist Guide (pdf)
Inspection Checklists (pdf)