cheap energy Archives – The Green Optimistic green tech news, since 2008 Wed, 27 Jan 2016 13:19:03 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 How to Produce Electricity with Only Paper, a Pencil and Tape https://www.greenoptimistic.com/produce-electricity-paper-pencil-tape/ https://www.greenoptimistic.com/produce-electricity-paper-pencil-tape/#comments Wed, 27 Jan 2016 12:24:46 +0000 https://www.greenoptimistic.com/?p=59096 Device made using a pencil, some paper and some tape, can generate enough electricity to power small electronics, courtesy of researchers from University of Tokyo. A group of scientists from University of Tokyo and the Ecole Polytechnique Federale de Lausanne (EPFL), Switzerland, built a revolutionary power-generating device, out of every-day, easy to access, cheap stationary materials.  Using […]

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]]> https://www.greenoptimistic.com/produce-electricity-paper-pencil-tape/feed/ 8 59096 Wind Energy Found to Be The Cheapest By Far https://www.greenoptimistic.com/wind-energy-found-to-be-the-cheapest-by-far-20121003/ https://www.greenoptimistic.com/wind-energy-found-to-be-the-cheapest-by-far-20121003/#respond Wed, 03 Oct 2012 19:15:30 +0000 https://www.greenoptimistic.com/?p=26439 Everyone knows that the price you pay for a vehicle isn’t the only cost. Cost-to-own can vary significantly from vehicle to vehicle, and includes the price of the car, insurance, interest, fuel, maintenance, and repairs. Tobacco has a lifecycle cost that goes way beyond the price of a pack of cigarettes, including perhaps hundreds of […]

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]]> https://www.greenoptimistic.com/wind-energy-found-to-be-the-cheapest-by-far-20121003/feed/ 0 26439 Remarkable Lifetime Results for EV Batteries https://www.greenoptimistic.com/remarkable-lifetime-results-for-ev-batteries-20090610/ https://www.greenoptimistic.com/remarkable-lifetime-results-for-ev-batteries-20090610/#comments Wed, 10 Jun 2009 18:30:05 +0000 https://www.greenoptimistic.com/?p=3714 Scientists from Southern California Edison (SCE) have developed an tested for two and a half years a lithium-ion battery sub-pack with very encouraging results. The battery tested survived 180,000miles with no significant deterioration.

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]]> https://www.greenoptimistic.com/remarkable-lifetime-results-for-ev-batteries-20090610/feed/ 3 3714 Gas Hydrates ("Burning Ice") Offer Clean Heating Solution https://www.greenoptimistic.com/gas-hydrates-burning-ice-offer-clean-heating-solution-20090329/ https://www.greenoptimistic.com/gas-hydrates-burning-ice-offer-clean-heating-solution-20090329/#comments Sun, 29 Mar 2009 07:25:22 +0000 https://www.greenoptimistic.com/?p=3219 There is enough material underground to heat 100 million homes for a decade. With this amazing source of energy (the gas hydrates) researchers could develop systems that can provide green and cheap energy for all.

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]]> https://www.greenoptimistic.com/gas-hydrates-burning-ice-offer-clean-heating-solution-20090329/feed/ 3 3219 Low Energy Water Desalination Through Nanotechnology https://www.greenoptimistic.com/low-energy-water-desalination-through-nanotechnology-20080609/ https://www.greenoptimistic.com/low-energy-water-desalination-through-nanotechnology-20080609/#comments Mon, 09 Jun 2008 19:19:00 +0000 https://www.greenoptimistic.com/?p=292 The Lawrence Livermore National Laboratory has found out a greener way to desalinize sea water. It uses carbon nanotubes which have pores that are 100,000 times smaller than a human hair, and were able to determine the rejection mechanism within the pores.

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