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EPFL team develops low-cost water splitting cell with solar-to-hydrogen efficiency of 12.3%

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Michael Grätzel at EPFL (Ecole Polytechnique Fédérale de Lausanne) in Switzerland has developed a highly efficient and low-cost water-splitting cell combining an advanced perovskite tandem solar cell and a bi-functional Earth-abundant catalyst. Splitting water requires an applied voltage of at least 1.23 V and up to 1.5

Low Cost 278
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ETH Zurich: carbon-neutral fuel made from sunlight and air

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Their new solar mini-refinery is located on the roof of ETH’s Machine Laboratory building in Zurich. CO 2 and water are extracted directly from ambient air via an adsorption/desorption process. Both are then fed into the solar reactor at the focus of a parabolic reflector. —Aldo Steinfeld.

Carbon 247
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Maersk parterning with 6 companies to source at least 730,000 tpy of green methanol by end of 2025

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European Energy is a global renewable energy company and project developer (wind, solar and Power to X). It develops, builds, and operates renewable electricity projects globally with a pipeline consisting of 20 GW renewable energy capacity. Proman (Switzerland). Orsted (Denmark).

Green 199
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Empa researchers investigating new process for production of synthetic methane

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Such fuels, produced synthetically with renewable energy, can be transported via conventional routes and made available through the existing infrastructure. Methanization works by producing methane (CH 4 ) and water (H 2 O) by catalytic conversion from carbon dioxide (CO 2 ) and hydrogen (H 2 ).

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“Energiewende” in a tank; Audi e-fuels targeting carbon-neutral driving with synthetic fuels from renewables, H2O and CO2; Swiss policy test case

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Audi’s basic goal is to combine renewable energy (e.g. solar and wind), water and CO 2 to produce liquid or gaseous fuels with a very low carbon intensity. to the realization of the renewable energy + water + CO 2 formula. Audi sees the potential for the use of CO 2 -neutral fuels to reduce fleet CO 2 emissions.

Audi 150
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Member of Swiss National Councils fills up with sunfire solar diesel to call attention to need for regulatory reform

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In an event in Bern, Switzerland, Swiss National Council member and president of the Clean Fuel Now initiative Thomas Böhni filled up his Audi A2 with 100% synthetic diesel (Audi e-diesel) produced by sunfire GmbH to draw attention to the need to remove what he terms unjustified Swiss restrictions on synthetic fuels. Earlier post.).

Diesel 150
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IEEE Discusses 6 Simple Solutions to Climate Change at COP27

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The solutions Rahman outlined were the use of proven methods that reduce electricity usage, making coal plants more efficient, using hydrogen and other storage solutions, promoting more renewables, installing new types of nuclear reactors, and encouraging cross-border power transfers. We don’t have enough solar energy and wind energy.”