the Stuxnet virus, which allegedly crippled Iran's nuclear centrifuges. The INL, which teamed up with Siemens, conducted research on the P.C.S.-7 control system to identify its vulnerabilities. According to the Times, that information would later be used by the American and Israeli governments to create the Stuxnet virus. The Times article was later disputed by other journalists, including Forbes blogger Jeffrey Carr, as being both sensational and lacking verifiable facts. In March 2011, Vanity Fair's magazine cover story on Stuxnet carried INL's official response, stating, "Idaho National Laboratory was not involved in the creation of the Stuxnet worm. In fact, our focus is to protect and defend control systems and critical infrastructures from cyber threats like Stuxnet and we are all well recognized for these efforts. We value the relationships that we have formed within the control systems industry and in no way would risk these partnerships by divulging confidential information." Nuclear nonproliferation Building on INL's nuclear mission and legacy in reactor design and operations, the lab's engineers are developing technology, shaping policy and leading initiatives to secure the nuclear fuel cycle and prevent the proliferation of weapons of mass destruction. Under the direction of the National Nuclear Security Administration, INL and other national laboratory scientists are leading a global initiative to secure foreign stockpiles of fresh and spent highly enriched uranium and return it to secure storage for processing. Other engineers are working to convert U.S. research reactors and build new reactor fuels that replace highly enriched uranium with a safer, low-enriched uranium fuel. To protect against threats from the dispersal of nuclear and radiological devices, INL researchers also examine radiological materials to understand their origin and potential uses. Others have applied their knowledge to the development of detection technologies that scan and monitor containers for nuclear materials. The laboratory's expansive desert location, nuclear facilities and wide range of source materials provide an ideal training location for military responders, law enforcement and other civilian first responders. INL routinely supports these organizations by leading classroom training, conducting field exercises and assisting in technology assessments. Energy and environmental projects Advanced Vehicle Testing Activity INL's Advanced Vehicle Testing Activity gathers information from more than 4000 plug-in-hybrid vehicles. These vehicles, operated by a wide swath of companies, local and state governments, advocacy groups, and others are located all across the United States, Canada and Finland. Together, they've logged a combined 1.5 million miles