Author: Walter Wang

Walter’s contributions to CleanTechies over the past 4 years have been instrumental in growing the publications social media channels via his ongoing editorial and data driven strategies. He is the founder and managing director of Sunflower Tax, a renewable energy tax and finance consultancy based in San Diego, California. Active in the San Diego clean technology community, participating in events sponsored by CleanTech San Diego, EcoTopics, and Cleantech Open San Diego, Walter has also been a presenter at numerous California Center for Sustainability (CCSE) programs. He currently serves as an adjunct professor at the University of San Diego School of Law where he teaches a course on energy taxation and policy.

Few cars are as iconic as the Volkswagen Beetle. The original version of the VW Beetle was manufactured between 1938 and 2003. The original version was a fixture of American culture during the 1960’s and 1970’s and often associated with Read more…


The Internet of Things is dominating the conversation in many technology circles today and will likely do so for the foreseeable future.  What exactly is the Internet of Things and just who is dominating the Internet of Things conversation? Cisco Read more…


It has been a year since we last test drove a Mazda3. What a difference a year makes. While the 2013 Mazda3 carried certain admirable traits, the 2014 Mazda3 blows the previous version out of the water.  All new for Read more…


Sales of electric vehicles are gradually growing in the US.  In 2012, 52,000 EV’s and plug-in hybrids were sold.  That number grew to over 95,000 in 2013 and sales during the first quarter of 2014 have outpaced the same period Read more…


First Solar Jordan

First Solar and Shams Ma’an Power Generation announced yesterday that they have signed a 20 year power purchase agreement with National Electric Power Company for a 52.5 MW solar power plant in Jordan. The power plant, when completed will represent Read more…


In many parts of the world, reliance on fossil-fueled buses and taxis for transportation is the norm.  In Uruguay, this is no different.  However, for the past several months, the city of Montevideo has been testing the electric powered BYD Read more…


The microinverter business is heating up. Installers and consumers alike are finding out that microinverter technology provides better return on investment than a string inverter. Using a conventional solar installation, any drop in a module’s performance will reduce the output Read more…


Chinese company Trina Solar Ltd. announced financial results for 2013 today. The company shipped 2.58 GW of PV modules in 2013 compared to 1.59 GW in 2012. The company also saw net revenues increase 36.9% from 2012 to $1.77 billion. Read more…


Investment in solar projects in the United States has largely been the purview of large financial institutions with the tax appetite to utilize the investment tax credit, thus favoring larger solar projects. Now, with innovative financing structures, high net-worth individuals Read more…


We love a good adventure, especially for a good cause – so we’re excited to announce that we are one of Climate Ride’s newest beneficiaries, and we’re looking for intrepid cyclists to join us! Climate Ride is the nation’s largest Read more…


As one of nature’s most destructive forces, hurricanes are unstoppable storms that can cause total devastation for coastal communities. While Mother Nature is unpredictable and uncontrollable, there are researchers and scientists who think hurricanes can be weakened or even stopped. Read more…


Environmental regulations can, of course, impact the development and implementation of green technologies. This can happen on an industry level, for example, when automobile fuel efficiency technology is improved in response to rising CAFE standards. It can also happen on Read more…


Here’s a video just posted on the ARPA-E (Advanced Research Projects Agency – Energy) YouTube video channel, presenting a bit of information on the U.S. Department of Energy’s involvement in smart grid. By design, it’s not very detailed; it covers Read more…


A year ago, we reported on an IBM effort called Water Watchers, an android app and portal that makes it possible for citizens to report water issues in South Africa. Now, IBM is at it again, harnessing its core competencies Read more…

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