Algae: renewable fuel
Algae has become the future ideal renewable fuel to replace fossil fuel.
People are searching the ways to make energy source renewable. Then algae become expectable biofuel replace fossil fuels. Because the algae require ample sunlight, some companies build algae glass wall around office building to provide the energy they need. Another benefit of algae is it can absorb carbon. So people can use algae to purify the air in the office.