What are biofuels primarily made from?

Biofuels are primarily made from organic material, which includes plant materials and animal waste. This organic origin is central to the definition of biofuels, as they are derived from biological processes and can be renewable when sourced from biomass. Common examples of biofuels include ethanol, produced from fermenting sugars found in crops like corn and sugarcane, and biodiesel, made from vegetable oils or animal fats. The reliance on organic materials makes biofuels a more environmentally friendly alternative to traditional fossil fuels, which are non-renewable and contribute to greenhouse gas emissions when burned.

In contrast, synthetic chemicals and mineral resources are not typically associated with biofuels, as they refer to entirely different types of energy sources. Fossil fuels, which come from ancient organic material but have been transformed into non-renewable resources over millions of years, do not fit the category of biofuels, which aim to minimize environmental impact and utilize current biological resources.