The difference between bio-fuels and fossil fuels

Bio-fuels are distinctive from fossil fuels in the following ways:

• Fossil fuels can take a million years to build while bio-fuels can be made exceptionally fast, in a matter of days.
• Fossil fuels create enormous amounts of pollution.
• Bio-fuels are comparatively safer.
• Bio-fuels are renewable sources of energy As opposed to fossil fuels.

Different types of bio-fuels

Bio-fuels have been categorized into four types: First generation, second generation, third generation, and fourth generation.

The first generation bio-fuels are created from vegetable fats, starch, and sugar, which are in turn derived from food-crops. The first generation fuels are also created from animal fats. Biogas, bio-diesel, and vegetable oil are some examples of this type of bio-fuels.

The second generation of bio-fuels is primarily derived from waste biomass, thus making it a more balanced option compared to the first-generation bio-fuels. Various kinds of alcohols and diesel generated from wood fall into the category of second generation bio-fuels.

The third generation comprises of bio-fuels created from algae. Algae are farmed on sizeable scales for creating these bio-fuels. The algae fuels are exceptionally environment-friendly as they can simply decompose into the soil without harming it.

The bio-fuels in the fourth generation are derived by a method in which micro-organisms are raised to work with carbon dioxide to generate fuel.

Advantages of bio-fuels:

• Bio-fuels prove advantageous in the following ways:
• Bio-fuels lessen the burden on gradually-vanishing fossil fuels.
• Bio-fuels are environment-friendly. They help reduce carbon emissions into the atmosphere.
• Bio-fuels, especially, bio-diesel prove to be very cost-effective for consumers.

Disadvantages of bio-fuels
Bio-fuels are not bereft of critique. Though beneficial for the natural environment, bio-fuels have their disadvantages, ironically in the environmental purview. Bio-fuels have received critique for many reasons, a couple of which are stated below:

Economists have long debated on the usefulness of first generation bio-fuels when compared to the lack of food they cause. Creating fuel from food crops makes food crops unworthy of human consumption. Some folks believe that being a higher priority than fuel, food should not be farmed for making fuels but for human consumption.  Making bio-fuels requires acres of farming land, thus encroaching upon the natural environment of plants and animals.

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