Fossil Energy Alternates: Shale Gas, Oil Shale, and Tar Sands

This is the fourth blogpost in the series, “Corn-Fed Cars: On the Road with Ethanol.”

While ethanol is the main subject of our blog series, we want to take a look at other so-called alternative energy sources that have been finding their way into the news lately. Shale gas, oil shales, and tar sands are actually not new—they have been long known, but little exploited. Rising oil prices are making us take another look at them.

Some people are saying this era is the end of “peak easy oil.” While new technologies have lowered costs of production and processing, it is only a matter of time until we are in “peak difficult oil.” Read More >