FBI agents investigate a car near a home in connection to the shootings in San Bernardino, Thursday, Dec. 3, 2015, in Redlands, Calif. A heavily armed man and woman opened fire Wednesday on a holiday banquet for his co-workers, killing multiple people and seriously wounding others in a precision assault, authorities said. Hours later, they died in a shootout with police. (AP Photo/Ringo H.W. Chiu)

Attackers in California shooting had thousands of bullets

The two attackers who killed 14 people in a rampage at a banquet fired as many as 75 rifle rounds at the scene, left behind three pipe bombs with a remote-control device that apparently malfunctioned, and had over 1,600 more bullets with them.

FILE - In this Nov. 15, 2014 file photo, handguns sit in a glass display case in Bridgeton, Mo. (AP Photo/Jeff Roberson, File)

FBI: Background checks for gun sales peak on Black Friday

The agency said Tuesday that it processed 185,345 background checks — roughly two per second — on the same day that three people were killed and nine others wounded in an attack at a Planned Parenthood office in Colorado.

FILE - In this Aug. 9, 2014 file photo, a fuel nozzle for E-85, left, and traditional gasoline is seen at a gas station in Batesville, Miss. (AP Photo/Rogelio V. Solis, File)

EPA boosts amount of ethanol in gasoline supply

The Environmental Protection Agency on Monday issued a final rule designed to increase production of ethanol to be blended with gasoline through 2016, a decision that could reverberate in Iowa’s crucial presidential caucuses.