FILE - In this Thursday, June 30, 2011 file photo, a steady flow of traffic on Interstate 5 runs past the San Onofre Nuclear Generating Station in San Clemente, Calif. As America's nuclear power ... more 
FILE - In this Thursday, June 30, 2011 file photo, a steady flow of traffic on Interstate 5 runs past the San Onofre Nuclear Generating Station in San Clemente, Calif. As America's nuclear power plants have aged, the once-rural areas around them have become far more crowded and much more difficult to evacuate. The population within 10 miles of San Onofre has ballooned by 283 percent to 98,631 since 1980. In changes which went into effect on December 2011, the U.S. government is allowing communities within 50 miles of nuclear power plants to practice less often for major accidents and is recommending that far fewer people who live nearby be evacuated immediately. Under new emergency planning rules, federal regulators also are ending a requirement that emergency personnel always practice for a release of radiation. (AP Photo/Lenny Ignelzi) less 
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Associated Press | Photo By Lenny Ignelzi
Wed, May 16, 2012 3:10 AM EDT