It's tricky to pinpoint a single inventor of biofuels, as their development was a gradual process with contributions from various individuals and cultures over a long period.

Here's a breakdown:

Ancient Origins:

* Ancient Egyptians: Used animal dung for fuel.

* Ancient Greeks and Romans: Used vegetable oils for lamps and cooking.

Early Modern Developments:

* 17th Century: People experimented with using wood alcohol (methanol) as fuel.

* 18th Century: Biodiesel production from vegetable oils was first demonstrated.

Modern Biofuel Era:

* 19th Century: Rudolf Diesel, inventor of the diesel engine, envisioned using vegetable oils as fuel.

* 20th Century: Research and development on biodiesel and ethanol production intensified, particularly in the 1970s due to the oil crisis.

Key Points:

* Biofuels were not invented but rather evolved over centuries.

* Multiple individuals and cultures contributed to their development.

* Modern biofuel production is a complex process involving many researchers and companies.

Therefore, attributing the invention to a single individual is not possible. Biofuel development is a long and ongoing story of innovation and adaptation.