for example, the energy content of ethanol is about 33% lower than conventional gasoline for equal volumes of fuel . The energy content of biodiesel is about 7% lower than that of petroleum-derived diesel fuel and so on for other products.
Though, biofuels have many challenges to replace fossil fuel, renewability and env. friendliness make a sense that biofuel has a great potential to address future energy Crysis. Fossil fuel is depleting and biofuel is one of alternative energy that can replace fossil fuel
Dear Saad El-Sayed
Presently bio-fuel for transport vehicle is not economical, but at small level for stationery engine like generator or mixing with fossil fuel, it work properly and economical.
Biofuels are the only alternatives for conventional fuels as they are depleting but agriwaste has CV (calorific value)equivalent to that of natural fuels ie.conventional ones.
I found a discussion here
https://www.epa.gov/environmental-economics/economics-biofuels
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