Arthur Rosenfeld, Zealous Champion of Energy Efficiency, Dies at 90 Dr. Rosenfeld’s work, first embraced in California in the 1970s, gained national attention and helped lay the foundation for federal rules in place today. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Summer Solstice 2019 meaning: 8 amazing facts about longest day of the yearLongest Day 2019 sunset: How long will the Sun be up today? What time is sunset?Giant Squid, Phantom of the Deep, Makes Second Video AppearanceLongest Day 2019: How long is the longest day of the year? Hours and minutesSummer Solstice 2019 at Stonehenge: When will the Sun set today? Time of sunset todaySummer Solstice 2019: When is the next solstice? When are the equinoxes next?