A Dutch startup spun out of the Delft University of Technology has launched the Kitepower Hawk, a wind energy storage solution that's designed to replace diesel generators for small island communities, on construction sites or in agriculture.

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With most of Arizona in a state of moderate to extreme drought, the Gila River Indian Community and the US Army Corps of Engineers have signed a deal to begin a solar-over-canal project designed to cut down evaporation and boost solar efficiency.

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To build or maintain today's colossal wind turbine towers, you either need an absolute monster of a crane – or something like this. The KoalaLifter self-climbing crane is quick, compact, handles heavy loads and creeps up turbine towers of any height.

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Sage Geosystems has pioneered a new form of cheap energy storage that uses the Earth as a giant bellows, pumping water into underground fractures, then letting it squirt back up at 70% efficiency – or 200% efficiency if you also harvest heat energy.

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We haven't seen a floating offshore wind turbine like this before. Touchwind claims its innovative single-blade turbines will solve several problems to drive down cost and downtime, using a single, huge blade with no fancy active pitch controls.

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Bill Gates-backed startup Antora Energy is preparing to roll out a containerized, modular heat battery, designed to store renewable energy at the lowest possible cost – then release it efficiently as electricity or industrial process heat.

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Weaning the world off fossil fuels will take time, so finding ways to make energy generation more efficient is still important. A new coating for steam condenser pipes could, if rolled out widely, add more than a Russia’s worth of extra power per year.

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RMIT engineers say they've tripled the energy density of cheap, rechargeable, recyclable proton flow batteries, which can now challenge commercially available lithium-ion batteries for capacity with a specific energy density of 245 Wh/kg.

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Renewable energy is taking off at exponential rates, putting global clean power "in line with ambitious net-zero scenarios." A new report suggests fossil fuel demand in the energy sector has already peaked, and "will be in freefall" by 2030.

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