Some oil companies are adding nitrogen to their gasoline. But does it cause pollution as well as boost performance a bit?

Belt-tightening by state and local governments offset almost all of President Obama's stimulus spending, according to a recent study.

The Senate jobs bill eases hardship by extending unemployment benefits to the long-term jobless. But it also raises the question of whether these benefits have become another entitlement.

AP - Democrats claimed momentum Wednesday in their drive to enact the sweeping health care legislation sought by President Barack Obama, citing near agreement on crucial issues despite persistent Republican efforts to knock them offstride.

AP - An open diplomatic row during the visit of Vice President Joe Biden has shined a spotlight on the U.S. failure to rein in Israeli settlement ambitions and deepened Palestinian suspicions that the United States is too weak to broker a deal.

AP - They flew planes during World War II but weren't considered real military pilots. No flags were draped over their coffins when they died on duty. And when their service ended, they had to pay their own bus fare home.