UN: Leaded fuel to be gone by 2013

(AP) -- Leaded gasoline, once so widespread it was sold at U.S. pumps as "regular" fuel, is expected to be eradicated globally within two years, the United Nations Environment Program announced Thursday.

Is ethanol better for the environment than gas?

Dear EarthTalk: Where does ethanol as an automobile fuel fit into the alternative energy mix? Is it better for the environment than gasoline? (Donna Allgaier-Lamberti; Pullman, Mich.)