Robert Rapier is a chemical engineer who works in the energy industry. He is the director of alternative-fuels technology for Advanced Green Innovations LLC, a Chandler, Ariz.-based technology-development company focused on alternative-energy resources and delivery mechanisms. Robert has 20 years of international engineering experience in the chemicals, oil and gas, and renewable energy industries, and holds several patents related to his work. He has worked in the areas of oil refining, natural gas production, synthetic fuels, ethanol production, butanol production, and various biomass to energy projects. Robert is the author of Power Plays: Energy Options in the Age of Peak Oil. He is also the author of the R-Squared Energy Column and is Chief Investment Strategist for The Energy Strategist at Investing Daily. Robert has appeared on The History Channel and PBS, and his articles on energy and sustainability have appeared in numerous media outlets, including the Wall Street Journal, Washington Post, Christian Science Monitor, The Economist, and Forbes.