... Car-tastrophe How federal policy can help, not hinder, the greening of the automobile By Amy Kaleita, Ph.D 4 Car-tastrophe How federal policy can help, not hinder, the greening of the automobile ... 20 Incentivizing biofuels These concerns have not stood in the way of government endorsement of biofuels, regardless of source In 2005, the federal government introduced the first Renewable ... with much of the focus on greenhouse gas emissions The transportation footprint is significant Approximately one-third of U.S emissions of carbon dioxide (CO2), the most common of the greenhouse...