Beyond Oil: The View from Hubbert's Peak is a 2005 book by Kenneth S. Deffeyes.

Deffeyes was a geologist who warned of the coming oil crisis in a previous book called Hubbert's Peak.

In this book, he explores the Earth's supply of potential replacement fuels for oil.

Finally making scientific based policy decisions is a task for all citizens.

[1] The book begins with brief explanations of the supply problem of liquid hydrocarbons used mostly as transportation fuel.