70-plus LI houses are on the National Solar Tour
GalleriesLong Island homes on national solar tour
It's billed as the largest grassroots solar energy event in the world - the free, self-guided National Solar Tour attracts thousands of visitors each year to energy-efficient homes across the country. But those touring some of the 70-plus locations featured on Long Island during the Oct. 3 event will see more than solar panels and photovoltaic cells on rooftops.
They will find geothermal pumps,...