Wearable electronics could soon be powered by dead microbes. New research out of UMass Amherst has demonstrated a biofilm that generates electricity from sweat, harnessing the corpses of dead bacteria – and it's at least as effective as a battery.

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An exciting candidate when it comes to alternative battery chemistries is sodium-ion, and a research team in Russia has developed a novel battery of this ilk that boasts some impressive energy density, and may also be resistant to low temperatures.

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Hydrogen transport and generation powder Si+ was announced last week, causing quite a stir with its promise of making renewable energy incredibly cheap, convenient and safe to transport. Naturally, you had questions – here are the company's responses.

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Stir this silicon-based powder into water, and hydrogen will bubble out, ready for immediate use. Hong Kong company EPRO Advance Technology (EAT) says its Si+ powder offers an instant end to the difficulties of shipping and storing green energy.

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Australian scientists say they've made a "eureka moment" breakthrough in gas separation and storage that could radically reduce energy use in the petrochemical industry, while making hydrogen much easier and safer to store and transport in a powder.

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Scientists have broken the efficiency record for tandem silicon-perovskite solar cells, surpassing the milestone of 30 percent for the first time. The new record takes the technology beyond the upper limits of silicon alone, using low-cost materials.

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Decarbonizing shipping is an enormous challenge, and green ammonia has some serious issues as marine fuel. It seems the industry is leaning toward methanol and dual-fuel setups as an early measure, so let's take a look at methanol's clean potential.

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The global oil industry wastefully burns off about as much natural gas as is used by all of Central and South America – but a new methane binding agent offers a potential way for this greenhouse gas to be converted economically into liquid fuels.

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As effective as fossil fuels may be, their impact on the planet cannot be overstated. Now researchers at Berkeley Lab have coaxed bacteria into directly producing a new biofuel with an energy density significantly higher than jet fuel.

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There’s still room for improvement for solar cells. Stanford engineers have now developed pyramid-shaped lenses that focus sunlight from any angle onto a solar cell, keeping it collecting power from sunrise to sunset.

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