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California 2017 GHG inventory shows 1.2% total drop from 2016; transportation sector emissions up 1%

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In 2017, emissions from GHG emitting activities statewide were 424 million metric tons of CO 2 equivalent (MMTCO 2 e), 5 MMTCO 2 e lower than 2016 levels and 7 MMTCO 2 e below the 2020 GHG Limit of 431 MMTCO 2 e. Changes in emissions by Scoping Plan sector between 2000 and 2017. MMTCO 2 e (6%) from 2013 to 2017. Source: ARB.

2017 230
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NREL sets new world efficiency record for solar hydrogen production: 16.2%

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Scientists at the US Department of Energy’s (DOE) National Renewable Energy Laboratory (NREL) recaptured the record for highest efficiency in solar hydrogen production via a photoelectrochemical (PEC) water-splitting process. Structure of an IMM photocathode configured for water splitting with TEM cross-section of the active layers.

Solar 207
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Japan team reports pathway to green ammonia: photocatalytic conversion of nitrogen with water

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Researchers in Japan report that a commercially available TiO 2 with a large number of surface oxygen vacancies, when photo-irradiated by UV light in pure water with nitrogen—successfully produces ammonia (NH 3 ). As a result of this, NH 3 is produced from water and N 2 under ambient conditions by using sunlight as energy source.

Water 170
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IEA: nuclear power can play a major role in transition to low emissions energy systems; Russia, China leading on new reactor starts

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In countries that choose to continue or increase their use of nuclear power, it can reduce reliance on imported fossil fuels, cut carbon dioxide emissions and enable electricity systems to integrate higher shares of solar and wind power. —IEA Executive Director Fatih Birol.

Russia 458
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New TOTAL hydrogen filling station in Karlsruhe produces H2 onsite with steam electrolysis and solar energy

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This H 2 filling station—the eleventh in the TOTAL network and the tenth in the German federal state of Baden-WĂĽrttemberg—is differentiated by producing hydrogen on-site through steam electrolysis, using electricity generated by a solar array. The delivery from Dresden to Salzgitter took place in June 2017.

Hydrogen 250
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NREL shows graded catalytic-protective layer boosts longevity of high-efficiency photocathodes for renewable hydrogen

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Researchers at the US Department of Energy’s National Renewable Energy Laboratory (NREL) have developed a method which boosts the longevity of high-efficiency photocathodes in photoelectrochemical water-splitting devices. A PEC cell absorbs sunlight and converts that energy into hydrogen and oxygen by splitting water molecules.

Hydrogen 150
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German power-to-gas facility opens green methanation plant; €28M STORE&GO project

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Construction on the methanation plant began in July 2017. This stored energy is then available as backup whenever there is an insufficient supply of solar and wind power. The cornerstone for the methanation plant was laid in July 2017, and additional essential components were put in place directly alongside the existing facility.

Store 258