Breakthrough technologies can transform the way that energy is produced and consumed. But pursuing them is often beyond the means of the private sector for a host of reasons. Enter the Advanced Research Projects Agency – Energy, a program at the US Department of Energy founded in 2009 that supports high-potential, high-impact technologies with funding, technical assistance and market preparedness. On this episode of Columbia Energy Exchange podcast, host Bill Loveless sits down with Dr. Ellen Williams, Director of ARPA-E, to discuss the future of energy technology. (Listen Here)