Is clean coal oxymoronic?

At the AlwaysOn GoingGreen Conference in Sausalito, Calif., executives talk about various technologies being implemented to make coal cleaner, reducing CO2 emissions in the atmosphere. The panel, moderated by Technology Partners VC Ira Ehrenpreis, includes Tim Vail, CEO of Accelergy; Chris Poirier, CEO of CoalTek; and David Huard, partner of Manatt, Phelps and Phillips.

This post was originally published on Smartplanet.com