Gas flaring near Highway 85 southwest of Williston. Analysts estimate that almost 30 percent of the gas being produced in the state is burned off. Jeff Brady/NPR hide caption

itoggle caption Jeff Brady/NPR

A drilling site rises from the middle of farmland near Fairfield, N.D. Many farmers and ranchers are profiting from the state's oil boom, but others complain that drillers are interfering with their business. Jeff Brady/NPR hide caption

itoggle caption Jeff Brady/NPR

The Deepwater Horizon oil rig burns in the Gulf of Mexico in April 2010. Gerald Herbert/AP hide caption

itoggle caption Gerald Herbert/AP

The building at 120 East 81st Street is among those converting from an oil- to natural-gas-burning furnace. Jeff Brady/NPR hide caption

itoggle caption Jeff Brady/NPR

Lela Petersen, owner of the Anything And Everything store in Flagler, Colo., expects the cost of health insurance for her and her husband to drop by my more than half next year. Jeff Brady hide caption

itoggle caption Jeff Brady

Apologetic signs posted at a gas station that ran out of gas on Nov. 1, 2012, in the Queens borough of New York. Jason DeCrow/AP hide caption

itoggle caption Jason DeCrow/AP

The Deepwater Horizon oil rig is seen burning in the Gulf of Mexico in April 2010. A second phase of the BP trial, which started this week, looks at just how much oil spilled into the Gulf. Gerald Herbert/AP hide caption

itoggle caption Gerald Herbert/AP

Susan Mull is a substitute teacher in Lancaster County, Pa. She's lived with HIV for 21 years, the past 13 without health insurance. She says an expansion of Medicaid in Pennsylvania would be "life-changing." Jeff Brady/NPR hide caption

itoggle caption Jeff Brady/NPR

One Amish family in Lancaster County, Pa., has three horse-pulled buggies they store in a barn. They all have electric lights powered by rechargeable batteries. One of the buggies even has battery-powered windshield wipers. Jeff Brady/NPR hide caption

itoggle caption Jeff Brady/NPR

Sara Busch of Havertown, Pa., owns a Chevy Volt, an electric hybrid. Like a lot of Americans, she's buying less gasoline than she used to, which means she's paying less in gas taxes. Jeff Brady/NPR hide caption

itoggle caption Jeff Brady/NPR

Penn State hopes to reduce its health care costs by helping employees become healthier. But some faculty members complain that charging them $100 a month for refusing to participate in a health improvement program is unfair. Jeff Brady/NPR hide caption

itoggle caption Jeff Brady/NPR

"A œGift for the Grangers" was a recruitment poster for the National Grange printed in 1873. Grange membership around this period was estimated by some to be as high as 2 million. Today it'™s less than 200,000. National Grange of the Order of Patrons of Husbandry hide caption

itoggle caption National Grange of the Order of Patrons of Husbandry

Rancher Bill Gow doesn't want the proposed Pacific Connector Gas Pipeline to travel across his Douglas County, Ore., ranch. While he has refused to negotiate with the pipeline company, ultimately a court may force him and other landowners to allow the project on their land. Jeff Brady/NPR hide caption

itoggle caption Jeff Brady/NPR

A couple walks past Nassau Hall on the Princeton Unversity campus in Princeton, N.J. A letter to the editor in The Daily Princetonian urging female students to find a husband before they graduate has drawn criticism. Daniel Hulshizer/AP hide caption

itoggle caption Daniel Hulshizer/AP