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17. Write any four advantages of Bio-diesel.
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Answer:
Advantages of Biodiesel
1. Produced From Renewable Resources
Biodiesel is a renewable energy source, unlike other petroleum products that will vanish in years to come. Since it is made from animal and vegetable fat, it can be produced on demand and also causes less pollution than petroleum diesel.
2. Can be Used in Existing Diesel Engines
One of the main advantages of using biodiesel is that it can be used in existing diesel engines with little or no modifications at all and can replace fossil fuels to become the most preferred primary transport energy source. Biodiesel can be used in 100% (B100) or blends with petroleum diesel. For e.g., B20 variant is a 20% blend of biodiesel with 80% diesel fuel. It improves engine lubrication and increases engine life since it is virtually sulfur-free.
3. Less Greenhouse Gas Emissions (e.g., B20 reduces CO2 by 15%)
Fossil fuels, when burnt, release greenhouse gases like carbon dioxide in the atmosphere that raises the temperature and causes global warming. To protect the environment from further heating up, many people have adopted the use of biofuels. Experts believe that using biodiesel instead of petroleum diesel can reduce greenhouse gases up to 78%.
4. Grown, Produced and Distributed Locally
Fossil fuels are limited and may not be able to fulfill our demand for coal, oil and natural gas after a certain period. Biodiesel can work as an alternative form of fuel and can reduce our dependence on foreign suppliers of oil as it is produced from domestic energy crops. It is produced in local refineries, which reduce the need to import expensive finished products from other countries.
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