What's the price of gasoline? In the U.S. it's about $4 a gallon. But some experts say the true price of gas is much higher. What about the costs of pollution, and the global and local problems caused by it? Who pays for those? This animated feature from the Center for Investigative Reporting calculates the carbon footprint and other "external costs" of gasoline use in the U.S. Reported by Sarah Terry-Cobo. Produced by Carrie Ching and Sarah Terry-Cobo. Sound mix and editing by Carrie Ching. Animation and illustration by Arthur Jones. Read more: http://californiawatch.org/dailyreport/us-gas-artificially-cheap-what-we-dont-pay-pump-10692 Less