Biodiesel is a renewable fuel made from vegetable oils or animal fats that can be used in diesel engines either alone or blended with petroleum-based diesel fuel.
Fossil fuels: Fossil fuels are non-renewable energy sources formed from the remains of ancient plants and animals, such as coal, oil, and natural gas.
Ethanol: Ethanol is a biofuel made from crops like corn or sugarcane that can be blended with gasoline to reduce emissions.
Carbon footprint: A carbon footprint measures the total greenhouse gas emissions caused by an individual, organization, or product.
AP Environmental Science - 6.2 Global Energy Consumption
AP Environmental Science - 6.3 Fuel Types and Uses
Which fuel type can be made into biodiesel?
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