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US researchers have developed an efficient way of producing hydrogen from urine - a feat that could not only fuel the cars of the future, but could also help clean up municipal wastewater.

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Transport: Mass-produced hydrogen fuel-cell cars have been promised for a decade. Where are they?

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With the assistance of a five-year $20 million award from the National Science Foundation (NSF), the California Institute of Technology (Caltech) Chemical Bonding Center (CBC) project, called "Powering the Planet," will increase the number of its collaborators to fulfill its goal of efficiently and economically converting solar energy and water into hydrogen and oxygen fuels.

The hydrogen and oxygen gases produced will be usable by a fuel cell, where they will react to reform water, generating electricity for powering an electric car or other devices. The gases may also be used as a source of energy after the sun goes down, and will generate a carbon-neutral or oil-free source of energy scalable to meet future global energy demands.

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An international team of researchers led by Monash University has used chemicals found in plants to replicate a key process in photosynthesis paving the way to a new approach that uses sunlight to split water into hydrogen and oxygen.

The breakthrough could revolutionise the renewable energy industry by making hydrogen - touted as the clean, green fuel of the future - cheaper and easier to produce on a commercial scale.

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A recent case study on using hydrogen to store the electricity generated by a mix of wind and nuclear power in Ontario, Canada, has shown that the hydrogen addition won’t be worth the cost, at least not at the current state of hydrogen technology development.

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The biggest stumbling block preventing the widespread adoption of fuel cell technology has been a reliance on hydrogen as the "fuel." Not only is hydrogen both difficult and dangerous to store and distribute, but 96 percent of hydrogen comes from oil and gas. Fuel cells that rely on hydrogen do little to reduce fossil fuel use.
New research from a University of Virginia team, recently funded by a new U.Va. Collaborative Sustainable Energy Seed Grant worth about $30,000, is taking two approaches to removing the need for hydrogen.

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A new electrolyte for solid-oxide fuel cells, made by researchers in Spain, operates at temperatures hundreds of degrees lower than those of conventional electrolytes, which could help make such fuel cells more practical.

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In a revolutionary leap that could transform solar power from a marginal, boutique alternative into a mainstream energy source, MIT researchers have overcome a major barrier to large-scale solar power: storing energy for use when the sun doesn't shine.

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Researchers at the Massachusetts Institute of Technology have combined a liquid catalyst with photovoltaic cells to achieve what they claim is a solar energy system that could generate electricity around the clock.

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Honda has produced the commercially available cars powered by Hydrogen fuel cel

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