Tony Rupp

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since Jun 10, 2015

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Recent posts by Tony Rupp

Welcome to Howard Johns author of Energy Revolution

What does your book cover in regards to hydro energy?

9 years ago

alternative energy

Quantity of bio fuel from a gallon of used vegetable oil?

When you use a gallon of used vegetable oil, how much bio fuel is created? What is ratio on conversion? Sorry if it seems a simple question. I have very little knowledge on subject.

10 years ago

biodiesel