Over a Barrel Blog

Model building, Playboy and the impact of ethanol on gasoline prices

I recently read a number of provocative articles (or their summaries) by MIT’s Christopher Knittel and Aaron Smith. They faulted a pair of respected researchers from Iowa State University, Dermot Hayes and Ziaodong Du, in somewhat harsh tones. According to Knittel, the Iowa State pair, in their ethanol-related studies over a three year period (from […]

Robert Rapier loves methanol

Robert Rapier – “R2” as he calls himself in good scientific notation – is one of the smartest people out there when it comes to energy. A master’s graduate in chemical engineering from Texas A&M University, Rapier is chief technology officer and executive vice president for Merica International, a renewable energy company. He also writes […]