August 12th, 2019 | by Zachary Shahan
The most popular CleanTechnica articles last week covered Tesla's 2006 master plan, potential battery progress from Tesla's battery R&D team, the start of Elon Musk's journey in North America, the Tesla Model 3's ranking as the 9th best selling car in the United States, and much more
June 21st, 2019 | by Steve Hanley
The Tesla SolarRoof has now been certified to comply with all major building code requirements by ICC-ES, an important step forward toward commercial viability for the SolarRoof.
March 20th, 2019 | by Steve Hanley
GAF Energy will begin offering its new integrated solar roof systems through conventional roofing contractors this year. It may not look like a Tesla SolarRoof, but it will be less expensive and it's available now in 9 states.
March 19th, 2019 | by Steve Hanley
S2A Modular in California is constructing a factory to manufacture net zero modular homes that feature Tesla Powerwall and SolarRoof technology. They will cost about 20% less than a conventional home.
April 10th, 2017 | by Steve Hanley
SolarCity will offer its pioneering SolarRoof system later this year. But it is not ignoring conventional rooftop solar panel system customers. Not everyone may want to completely remove a home's existing roof to install a SolarRoof, but many are put off by the changes in appearance a conventional rooftop solar system causes. SolarCity (now part of Tesla) is keenly aware that appearance matters to homeowners, so it is introducing a newly redesigned rooftop solar system that goes over an existing roof without ruining how a home looks
![Iceland is Doing Science — ~50% of People with COVID-19 Not Showing Symptoms, ~50% Have Very Moderate Cold Symptoms [UPDATED]](https://i0.wp.com/cleantechnica.com/files/2015/01/president-of-iceland-speaks-with.jpg?resize=40%2C40&ssl=1){kind=small}
