An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

E3: Economy, Energy and Environment

E3 Success Story - San Antonio Lighthouse for the Blind

Texas Manufacturing Assistance Center conducted an E3: Economy-Energy-Environment assessment as part of the local Lean-Clean- Energy program in October of 2009. E3 is a coordinated federal and local technical assistance initiative that is helping manufacturers across the nation thrive in a new business era focused on sustainability.  The assessment identified nine specific recommendations in the area of energy efficient lighting, compressed air usage and HVAC controls. The Lighthouse embraced the recommendations and immediately began to tackle the recommendations.

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.