Occasional gas is normal, but persistent or painful bloating might indicate underlying health concerns that deserve medical attention. The average person passes gas between 13 and 21 times per day.

General Motors is pushing it. So are Daimler-Chrysler and Ford. And now, Wal-Mart may be about to jump on the E85 ethanol bandwagon as well. E85 ethanol, a mixture of 85 percent ethanol and 15 percent ...

The American oil and gas industry is leaking more methane than the government thinks — much more, a new study says. Since methane is a powerful greenhouse gas, that is bad news for climate change. The ...