http://www.renewableenergyworld.com/articles/2016/05/the-future-of-cars-could-be-solar.html?cmpid=renewablestorage0552016&eid=291069761&bid=1395851
Sustainability
San Francisco Solar
http://www.theguardian.com/environment/2016/apr/21/san-francisco-adopts-law-requiring-solar-panels-on-all-new-buildings