Hrivnak Family Web Pages

Efficient Housing
Hybrid Conversion
Electric Jeep
Plug-in Prius - Enginer system
EVs & Environment

Hybrid Truck Video

New Troop 51 web page

Pictures from Walk to Defeat ALS


Welcome to the David & Brenda Hrivnak's family web page.  This simple site helps us learn more about the internet and helps keep up with family and friends.  We also use it to post what we've learned about energy efficient housing and hybrid and electric cars & trucks.  Our homes were built using passive solar techniques along with Structural Insulating Panels (SIP) and  Insulating Concrete Forms (ICF).  In 2013 we added rooftop solar generating over 90% of the power used for the house AND plug-in cars.

Work interests and volunteer work with Habitat for Humanity, ALS (Lou Gering's Disease)  & Scouting are listed under interests. 

Note: This site is a work in progress and if you have a suggestion please send it.

This page was last updated on 11/11/15.

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