If carbon pollution continues to carry no cost, the market will be hampered in going green. That’s why America needs to increase the gas tax. Of course, many people object, saying that taxes hurt economic growth. But there’s no reason taxes can’t be fully or partly “revenue neutral” – offset by cuts in the payroll tax, for instance. That’s not an overall tax increase, though individual states might want to tax gas for revenue generation as well.

Grant Hindsley/AP
Teresa Jones watches the pump as she puts gas into her car at a Shell station in Los Angeles Aug. 10. Op-ed contributor Steve Yetiv writes: 'If carbon pollution continues to carry no cost, the market will be hampered in going green. That’s why America needs to increase the gas tax.'