In general, the concept of energy refers to "the potential for causing changes". The word is used in several different contexts. The scientific use has a precise, well-defined meaning, whilst the many non-scientific uses often do not. (see here.)

In physics, energy is the ability to do work and has many different forms (potential, kinetic, electromagnetic, etc.) No matter what its form, physical energy has the same units as work; a force applied through a distance. The SI unit of energy, the joule, equals one newton applied through one meter, for example.

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DOE Building Energy Codes Website

Energy Codes 2008 Update
Energy Codes 2008 will take place July 22 - 25, 2008 at the Crowne Plaza St. Paul-Riverfront in St. Paul, Minnesota. The final Agenda, Building Tour, and Sponsors pages have been added to the website. AIA/CES Learning Units (HSW) and ICC Continuing Education Credits toward renewal of an ICC certification will be available at this event.
Three-Part Series on Advanced Energy Design Guide Recommendations
These 90-minute live webcasts, sponsored by DOE, will provide an overview of the lighting, mechanical, and envelope recommendations provided in the Advanced Energy Design Guide Recommendations (AEDGs). Registration for the series is now open.
Centex Corporation Energy Efficiency Suite Announced
Centex Corporation recently announced the Centex Energy Advantage, a suite of energy-efficient features standard in all Centex homes built nationwide by January 2009. A link to the press release was added to the energycodes.gov website.
Energy Efficiency Standards for Manufactured Housing
The Department of Energy is initiating development of the manufactured housing energy efficiency standards. The Department expects to publish a Notice of Proposed Rule in 2009, followed by a period in which public comments can be submitted on the proposed rule.
July 2008 Setting the Standard Newsletter Released
The July 2008 publication of the Setting the Standard Newsletter is now available.
FY 2008 State Energy Program Funding Opportunity Announcement
Wed, 18 Jun 2008 13:00:00 -0800
On June 4, 2008, the FOA DE-PS26-08NT00319 entitled "Fiscal Year 2008 State Energy Program Competitive Activities" was released on the National Energy Technology Laboratory (NETL) Industry Interactive Procurement System (IIPS). The application due date is July 10, 2008.

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