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Microbial Fuel Cells, which work in a similar way to a battery, use bacteria to convert organic compounds directly into electricity by a process known as bio-catalytic oxidation.

The catalysts would enable the production of hydrogen from liquid fuel stored in a disposable or recycled cartridge, creating miniature fuel cells to power everything from mobile phones to laptops.

Stanford Research International (SRI) claims to have developed a new method for creating liquid transportaion fuels that will result in zero emissions during the manufacturing process and is also less expensive compared to other types of laternative fuels. Too good to be true? Well, this is not only good but also true!

The technologies Logan refers to are microbial fuel cells (MFC)- which use wastewater and naturally occurring bacteria to produce electricity - and reverse electrodialysis (RED) - which produces electricity directly from the salinity gradient between salty and fresh water. The combined technology creates a microbial reverse-electrodialysis cell (MRC).

"As the fastest growing energy technology in the world, solar energy continues to account for more and more of the world's energy supply. Currently, most commercial photovoltaic power comes from bulk semiconductor materials. But in the past few years, scientists have been investigating how semiconductor nanostructures can increase the efficiency of solar cells and the newer field of solar fuels. "