NASA's "next-gen" solar sail spacecraft is ready to launch for practical testing
The satellite will hitch a ride with Rocket Lab's Electron rocket later this month
Solar-powered SUV drives 620 miles through Morocco's off-road terrain without recharging
The Stella Terra charges while driving and can go almost anywhere
Watergen's new solar-powered 'GENNY' creates clean, drinkable water from the air
Up to 3.5 gallons per day
Walmart is suing Tesla over solar panel fires at seven of its retail stores
Bad news for Tesla's ailing solar panel business
Toyota is playing with a solar roof for its next electric cars
The roof will add up to 56km of range a day
California has become the first state to require solar panels on all new homes
But will it make building new homes harder to afford?
Tesla solar roof installations are now coming online
An expensive product but it looks great
United States and China help boost worldwide solar production by 50% over last year
There are 305 gigawatts of solar generation capacity in the world, up from 50 gigawatts in 2010
Amazon is going green, installing rooftop solar on distribution warehouses
Amazon plans 41MW of solar installations by the end of 2017
After a year of use, Tesla Powerwall systems are performing well with 90% utility savings
Return on investment drops to under 10 years, some as low as 8
