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How Ethanol Can Reduce Vehicular Pollution In India? Explained

World Biofuel Day: Prime Minister Narendra Modi recently inaugurated Ethanol Plant in Panipat with capacity to generate about three crore litres of Ethanol annually.

Every year, Delhi-NCR region grapples with the problem of severe pollution in the winter season. One of the major reasons of this pollution is increasing vehicular traffic. But this problem is not limited to Delhi-NCR, as every part of the world is facing the similar issue. One way to reduce this vehicle pollution is pushing the sales of electric vehicles, but EVs are very expensive to own. The government of India, hence, is pushing the use of blended fuel for vehicles, also called the Bio Fuel. The use of biofuel in automotive industry gave rise to the idea of Flex Fuel vehicles in India.

A biofuel is an ethanol based fuel derived from various plant based sources and when blended with petrol, can be used in IC engines to obtain relatively lesser carbon dioxide. Prime Minister Narendra Modi, recently inaugurated 2G Ethanol Plant in Panipat, which will utilize around two lakh tonnes of rice straw to generate about three crore litres of Ethanol annually. Ethanol is a form of Bio Fuel, a term which is enjoying a great buzz around automotive OEMs and governing agencies. On the occassion of the World Biofuel Day 2023, we look at what exactly is biofuel?

What is Biofuel?

Flex Fuel or biofuel is obtained by mixing pre-defined quantities of petrol and methanol/ethanol. There are various compositions used across the globe, namely E85, E80, E10, E20 and more. For reference, the E85 Flex Fuel comprises 15 per cent petrol by volume and 85 per cent biologically-obtained ethanol. In India, governing agencies earlier notified that a policy on the use of E80 biofuel will be introduced. In this composition, 80 per cent ethanol by volume will be used while blended with 20 per cent petrol by volume.

Sources of Biofuel

The ethanol used for the composition of Flex Fuel is generally obtained from various plants, vegetables, and biological sources. For example, Jatropha oil is one of the most researched sources of biofuel in our country. Alongside, rice, corn, and other oils can also be used to obtain the ethanol of desired calorific value.

Benefits of Biofuel

The Flex Fuel brings down the content of carbon monoxide, hydrocarbon, and other hazardous products obtained from the combustion of fuel. For example, the E20 blend brings down carbon monoxide emissions by close to 50 per cent in two-wheelers and around 30 per cent reduction in four-wheelers in comparison to E0. Also, the blend further brings down the cost of fuel as a whole. Furthermore, the BTE (Brake Thermal Efficiency) is also increased with the use of biofuel. However, the biofuel application also increases the brake-specific fuel consumption.

Bio Fuel in India

Currently, the Indian market fails to have products running on Flex Fuel. However, the governing agencies have confirmed to roll out mandates on the use of biofuel by the year 2025. Select brands like Bajaj and TVS are working on the development of Flex Fuel engines. In fact, TVS launched an iteration of the Apache 200 in 2019, which could run on either E100 or E80 blend. Sadly, it could not find a lot of buyers as the availability of Flex Fuel remains a miss in the country as of now.

Can Bio Fuel be used on any vehicles?

The answer to the above question is no. Only Flex Fuel-compatible vehicles should be made to run on biofuel. On regular petrol and diesel engines, using ethanol-blended fuel can cause serious damage to the engine. Since ethanol is corrosive in nature. Thus, a lot of parts of a petrol/diesel motor have to be changed to make it run on ethanol-blended petrol/diesel.

The above news was originally posted on news.google.com

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