James Spaeth Keywords James Spaeth US Department of Energy Bioenergy Technologies integrated biorefinery biofuels bioproducts renewable hydrocarbons cellulosic ethanol Read more about James Spaeth Jim serves as the U.S. DOE’s Bioenergy Technologies Office Advanced Development & Optimization Program Manager. His current portfolio includes the DOE investment in integrated biorefinery projects focused on the development of advanced biofuels and bioproducts including renewable hydrocarbons and cellulosic ethanol. Jim is also the current Chairperson of the Executive Committee of the Bioenergy Technology Collaboration Program under the International Energy Agency.