5 Best Options for Alternative Fuels

Alternative fuels are here to stay — at least the efforts are on. There are lots of options for us to choose from but each of these options have their disadvantages and advantages. So what alternative fuels look promising?

How Solar Photovoltaic Cells Work

Photovoltaic cells or solar cells are comprised of layers of silicon slices joined together by wires. When sunrays fall on the photovoltaic cells electricity is generated, which is stored in a rechargeable battery and used for any application.