• The International Code Council is proposing changes to the International Energy Conservation Code (IECC) that would result in about 15% more efficiency in new residential and commercial construction.
• Some of the proposals include high-efficiency windows and requiring that three-quarters of the lights in a home be high-efficiency types.
• The ICC's schedule calls for proposed changes to be submitted by early March and final changes to be issued in October.

From the article:

New proposed updates from the International Code Council to the International Energy Conservation Code (IECC) would increase energy efficiency in new homes and commercial buildings by about 15%. ...