Coal energy Archives – The Green Optimistic green tech news, since 2008 Mon, 06 May 2019 13:05:51 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Forecast: Coal-based energy production rapidly outpaced by renewables in the US https://www.greenoptimistic.com/coal-energy-production-rapidly-outpaced-by-renewables-in-the-us-20190506/ https://www.greenoptimistic.com/coal-energy-production-rapidly-outpaced-by-renewables-in-the-us-20190506/#respond Mon, 06 May 2019 13:05:44 +0000 https://www.greenoptimistic.com/?p=68327 April and May set a symbolic milestone in the transition to renewable energy sources in the USA, as the projections of the Institute of Energy Economics and Financial Analysis (IEFFA) show that renewables are expected to have higher contribution than coal in total energy production. The US Energy Information Administration forecasts that all renewables will […]

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]]> https://www.greenoptimistic.com/coal-energy-production-rapidly-outpaced-by-renewables-in-the-us-20190506/feed/ 0 68327 New Solar Cells With 60% Efficiency Can Now Replace Coal https://www.greenoptimistic.com/solar-cells-replace-coal-20180801/ https://www.greenoptimistic.com/solar-cells-replace-coal-20180801/#comments Wed, 01 Aug 2018 18:00:20 +0000 https://www.greenoptimistic.com/?p=66620 A team of researchers from the University of Exeter developed a solar cell with a record 60% efficiency. The idea behind this breakthrough is similar to using a “funnel”: corralling an amorphous collection of electrical charges into a more precise area, where they can be transferred into use. Using this idea, the researchers increased the […]

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