Volkswagen board members Wolfgang Porsche (from left), Berthold Huber and Stephan Weil attend a news conference to announce Martin Winterkorn's decision to resign as Volkswagen CEO on Sept. 23, in Wolfsburg, Germany. Alexander Koerner/Getty Images hide caption

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David Whitcomb of Waynesboro, Va., says he paid a premium for the diesel engine on his 2015 Passat TDI because he thought it would mean fewer emissions. Courtesy of David Whitcomb hide caption

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Republican presidential candidate, businesswoman Carly Fiorina speaks during the CNN Republican presidential debate at the Ronald Reagan Presidential Library and Museum on Sept. 16, 2015. Mark J. Terrill/AP hide caption

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New federal rules would make millions more workers eligible for overtime. Gary Waters/Getty Images/Ikon Images hide caption

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Flowers and candles are set up as a memorial in front of the entrance to Hartford Distributors following a shooting Aug. 4, 2010, in Manchester, Conn. Eight employees were killed by a former worker. Douglas Healey/Getty Images hide caption

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Global food giant Nestle is among several major employers that have announced increases in family leave benefits this year. Fabrice Coffrini/AFP/Getty Images hide caption

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Discovery Communications CEO David Zaslav earned $156 million last year — nearly 2,000 times more than the median Discovery worker. Alberto E. Rodriguez/Getty Images for Discovery Communications hide caption

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A trader fills orders Monday in the Standard & Poor's 500 stock index options pit at the Chicago Board Options Exchange. Watching market numbers plummet can make investors queasy, but analysts say keeping a level head through volatility is the best course. Scott Olson/Getty Images hide caption

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Peer reviews can be helpful for a company, but they can also prove problematic. akindo/iStockphoto hide caption

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