Discuss several ways in which microorganisms can help in meeting the current fuel shortage.
Microorganisms offer promising and sustainable solutions to help mitigate the current fuel shortage by producing a range of biofuels.
One major pathway is the production of bioethanol. Yeasts and certain bacteria can ferment sugars derived from agricultural crops like corn and sugarcane, or even from non-food cellulosic waste, to produce ethanol, which can be blended with petrol. This process is already in commercial use.
Another significant contribution is through anaerobic digestion to produce biogas. A mixture of microbes breaks down organic waste—such as agricultural residue, sewage, and animal manure—in the absence of oxygen to produce methane-rich biogas, an excellent fuel for cooking and electricity generation.
Looking ahead, microalgae are emerging as a powerful source. These tiny organisms can be cultivated in ponds or bioreactors, and they efficiently convert sunlight and CO2 into oils that can be refined into biodiesel and jet fuel. This approach is particularly attractive as it doesn't compete with food crops for land.
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Important Questions from GS3
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