The Diane Rhem Show had a good hour-long discussion about BP's ever-worsening oil spill in the Gulf of Mexico this morning and it got us to thinking. We're all familiar with what happens during a tragedy like this, even when it turns out to be a lot worse than we originally thought, but what about fifty years from now when oil-burning cars are the minority? (they will be the minority by then, right?) As we shift away from petroleum, what other problems might we be creating?
There is a seemingly endless amount of media sources taking a look as ethanol or biodiesel or the future "hydrogen economy". Yesterday, NPR's Diane Rehm dedicated the first hour of her show to all three of these fuels, plus more. Her guests included three guests, identified on the show's website as: