Tesla powerwall
  • Tesla CEO Elon Musk introduces Powerwall
  • Tesla CEO Elon Musk introduces the Powerwall home energy storage unit at an event in Hawthorne, CA on April 30, 2015.
  • Image Credit: Tesla Motors
Tesla Powerwall and Model S
  • Tesla Powerwall and Model S
  • Tesla Powerwall and Model S
  • Image Credit: Tesla Motors
Tesla Powerwall
  • Tesla Powerwall
  • Tesla Powerwall stock photo.
  • Image Credit: Tesla Motors
Tesla powerwall
  • Elon Musk introduces Tesla powerwall
  • Tesla CEO Elon Musk introduces the Powerwall home energy storage unit at an event in Hawthorne, CA on April 30, 2015.
  • Image Credit: Tesla Motors
Tesla powerwall
  • Tesla powerwall introduction event.
  • Tesla powerwall introduction event.
  • Image Credit: Tesla Motors
Tesla home battery system prototype
  • Tesla Powerwall home battery system prototype
  • In this April 20, 2015 photo, David Cunnigham shows a prototype Tesla battery system that powers his Foster City, Calif. home. Cunnigham installed the battery late last year to pair with his solar panels as part of a pilot program run by the California Public Utilities Commission to test home battery performance. Tesla is expected to unveil a stationary battery for homeowners and businesses on Thursday, April 30, 2015. (AP Photo/Jeff Chiu)
  • Image Credit: Jeff Chiu / AP
Tesla home battery system prototype
  • Tesla Powerwall home battery system prototype
  • This April 20, 2015 photo shows a prototype Tesla battery system that powers the home of David Cunningham in Foster City, Calif. Cunnigham installed the battery late last year to pair with his solar panels as part of a pilot program run by the California Public Utilities Commission to test home battery performance. Tesla is expected to unveil a stationary battery for homeowners and businesses on Thursday, April 30, 2015. (AP Photo/Jeff Chiu)
  • Image Credit: Jeff Chiu / AP
Solar City energy management website
  • Solar City energy management website
  • In this April 20, 2015 photo, David Cunningham points toward his SolarCity Web page, which details his solar energy output at his home in Foster City, Calif. Cunnigham installed a Tesla battery late last year to pair with his solar panels as part of a pilot program run by the California Public Utilities Commission to test home battery performance. Tesla is expected to unveil a stationary battery for homeowners and businesses on Thursday, April 30, 2015. (AP Photo/Jeff Chiu)
  • Image Credit: Jeff Chiu / AP
Solar panels on house with Tesla home battery.
  • House with solar panels
  • In this April 20, 2015 photo, David Cunningham walks toward his solar panel-topped home, in Foster City, Calif. Cunnigham installed a Tesla battery late last year to pair with his solar panels as part of a pilot program run by the California Public Utilities Commission to test home battery performance. Tesla is expected to unveil a stationary battery for homeowners and businesses on Thursday, April 30, 2015. (AP Photo/Jeff Chiu)
  • Image Credit: Jeff Chiu / AP
Shinzo Abe and Elon Musk
  • Shinzo Abe and Elon Musk
  • Japanese Prime Minister Shinzo Abe stands with Tesla CEO Elon Musk after returning from a brief test ride at Tesla's headquarters in Palo Alto, Calif., Thursday, April 30, 2015. (AP Photo/Noah Berger)
  • Image Credit: Noah Berger / AP
Shinzo Abe and Elon Musk
  • Shinzo Abe and Elon Musk
  • Japanese Prime Minister Shinzo Abe walks with Tesla CEO Elon Musk at Tesla's headquarters in Palo Alto, Calif., Thursday, April 30, 2015. (AP Photo/Noah Berger)
  • Image Credit: Noah Berger / AP
Vermont electric utility Green Mountain Power is selling discounted Tesla Powerwalls to its customers in hopes of balancing the grid. The battery packs would be used not just to help customers store renewable energy for home solar systems or as backup power, but also to occasionally discharge power back to the grid when needed. In addition to this decentralized energy storage being useful to customers, it also benefits the utility by taking demand off energy generating infrastructure during periods of peak demand. The pilot project will put 500 Tesla Powerwalls in customers' homes. Learn more at Green Car Reports, or in the story from Vermont Public Radio.

Together, Nissan and Renault have built 340,000 electric cars. The allied Japanese and French automakers hit 100,000 EVs in July 2013, 200,000 in November 2014, and a quarter million in June of 2015. The Nissan Leaf, which first went on sale at the end of 2010, makes up the bulk of the EVs the Renault-Nissan Alliance has sold. Renault delivered its 50,000th Zoe EV in April 2016. Leaf sales have declined in the US in recent months, due at least in part to the anticipation of the Chevrolet Bolt and Tesla Model 3. Nissan, however, is expected to update the Leaf with a 200-mile driving range in the coming years. Read more at Green Car Reports.

Students at the Bearys Institute of Technology (BIT) in Karnataka, India have built what they call the Hybrid Water Car. The car uses a system to electrolyze hydrogen from water and add it to the fuel for more efficient combustion. The system has been placed into a chopped up, lightweighted Maruti Omni. While the benefits of onboard hydrogen electrolyzers have been debated for some time, the BIT students don't plan to stop there, as their next project car will be fueled completely by hydrogen. Read more from Car and Bike.

Facebook has hired Rich Heley away from Tesla. The former Tesla VP of Product Technology is making the move to the social media giant's new Building 8 research lab. Heley joined Tesla in November 2013 after working at Apple. Read more at Automotive News.

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