The Environmental Protection Agency today proposed to scale back the amount of renewable fuels in our nation's gasoline supply, biofuels like ethanol made from corn. The EPA is responding, in part, to oil companies that say they're already taking as much ethanol as they can. They say any more and it will hurt quality. But there's another reason for the EPA's action. As NPR's Elizabeth Shogren reports, cheap biofuels haven't been developed as quickly as hoped.
Now up, it's time for another episode of our App Chat series, where we review the latest apps and talk about new ways to use your smartphone. And today, we're going to talk about mobile payments. Ever gone out to eat with your friends and when the bill arrives, you realize it's cash only and, oh, you have no cash. What are you going to do?