Meeting goals set by the Obama administration for carbon dioxide emissions would require sharp increases in fuel prices and strict regulation, a new report says.The finding states what has been obvious to knowledgeable observers all along. But sometimes the obvious needs to be stated. To cut CO2 emissions by 14% below 2005 levels in 2020, as the Environmental Protection Agency proposes, might require gasoline prices above $7/gal in the target year. So concludes a policy brief from the Belfer Center for Science and International Affairs at the Harvard Kennedy School. "A fundamental insight from this study is that if one wishes to reduce US CO2 emissions or net petroleum imports from t...