Unlike other renewable energy sources, biomass can be converted directly into liquid fuels, called “biofuels,” to help meet transportation fuel needs. The two most common types of biofuels are ethanol and biodiesel.
Ethanol is an alcohol, the same as in beer and wine (although ethanol used as a fuel is modified to [...]
Although it is much less expensive to initially get hooked into the local electric company\’s grid than it is to set up and hook into wind turbines, in the long run one saves money by utilizing the wind for one\’s energy needs—while also becoming more independent. Not receiving an electric bill while enjoying the advantages [...]
Photovoltaic cells, those black squares an array of which comprises a solar panel, are getting more efficient, and gradually less expensive, all the time, thanks to ever-better designs which all them to focus the gathered sunlight on a more and more concentrated point. The size of the cells is decreasing as their efficiency rises, meaning [...]
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