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The Law Of The Test: Performance-Based Regulation And Diesel Emissions Control, Cary Coglianese, Jennifer Nash

All Faculty Scholarship

The Volkswagen diesel emissions scandal of 2015 not only pushed that company’s stock and retail sales into freefall, but also raised serious questions about the efficacy of existing regulatory controls. The same furtive actions taken by Volkswagen had been taken nearly twenty years earlier by other firms in the diesel industry. In that previous scandal, the U.S. Environmental Protection Agency (EPA) discovered that diesel truck engine manufacturers had, like Volkswagen would later do, programmed on-board computers to calibrate their engines one way to satisfy the required emissions test. Those manufacturers had also programmed the on-board computers to re-calibrate the engines …