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Driving Cars Powered by Organic Solar Cells Might Be Closer Than You Think
The German solar company Heliatek has set a new record for organic solar cells, a type of photovoltaic that uses organic electronics to produce electricity, by increasing its efficiency to 13.2 percent. This may not sound very impressive, but organic solar cells boasted a mere 3 percent efficiency just a decade ago.
"Organic solar cells are far less efficient than their silicon cousins, but they are also far less expensive," CleanTechnica explained. "They are also flexible and transparent (or semi-transparent), so they can be used over a huge range of applications including buildings and yes, cars."
While entire cars coated in solar cells are not yet commercially available, spray-on solar paint utilizing organic solar cells has made recent advancements. In 2014, Mercedes-Benz debuted its G-Code concept car, which is finished in "multi-voltaic silver" paint that harvests solar and wind energy.
The company is also targeting solar sun roof manufacturers as partners, as it's been developing solar window technology for several years.
On Friday, the U.S. Department of Energy’s Office of Technology Transitions, which has been newly infused with $20 million in funds, issued its first ever call to launch new energy technologies from national laboratories to market.
"That's significant," CleanTechnica said, "because U.S. National Renewable Energy Laboratory has been all over organic solar cells like white on rice, and it is already partnering with the private sector on ramping up OPV [organic photovoltaic] efficiency. The new cash infusion should help step things up a notch."
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At least 1,688 dams across the U.S. are in such a hazardous condition that, if they fail, could force life-threatening floods on nearby homes, businesses, infrastructure or entire communities, according to an in-depth analysis of public records conducted by the the Associated Press.
By Sabrina Kessler
Far-reaching allegations about how a climate-sinning American multinational could shamelessly lie to the public about its wrongdoing mobilized a small group of New York students on a cold November morning. They stood in front of New York's Supreme Court last week to follow the unprecedented lawsuit against ExxonMobil.
By Alex Robinson
Leah Garcés used to hate poultry farmers.
The animal rights activist, who opposes factory farming, had an adversarial relationship with chicken farmers until around five years ago, when she sat down to listen to one. She met a poultry farmer called Craig Watts in rural North Carolina and learned that the problems stemming from factory farming extended beyond animal cruelty.
Temperatures plunged rapidly across the U.S. this week and around 70 percent of the population is expected to experience temperatures around freezing Wednesday.