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Biofuels are a category of energy sources derived from biological materials (biomass), such as plants and animal waste. These fuels are considered to be renewable because the feedstock used in their production can be regrown or replenished over a short period of time, as opposed to fossil fuels which take millions of years to form. Biofuels can be solid, liquid, or gaseous and are primarily used for transportation, heating, and electricity generation.

The most common types of biofuels are bioethanol and biodiesel. Bioethanol is an alcohol made by fermenting the sugar components of plant materials and is mostly used as a vehicle fuel. Biodiesel is produced from oils or fats and can be used in diesel engines. The use of biofuels is often promoted due to their potential to reduce greenhouse gas emissions, improve energy security, and support agricultural economies.

However, the production and use of biofuels come with their own set of challenges and controversies, such as the food versus fuel debate, land use changes, and the full environmental impact of their lifecycle.

For more information about biofuels, you can visit the following websites:

1. U.S. Department of Energy – Alternative Fuels Data Center
This site offers detailed information on biofuels, including a breakdown of different types, their benefits, applications, and research.

2. Renewable Fuels Association (RFA)
This trade association provides comprehensive insights into the world of biofuels, including policy information, industry statistics, and educational resources.

Please ensure you are accessing these links through a secure and updated Internet browser for the best experience and up-to-date information.

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