Has cheap gas primed Congress for a tax hike?

CNN: As prices at the pump sink to their lowest levels in years, some lawmakers hope Congress is primed to increase the politically sensitive U.S. gas tax for the first time in more than two decades.

The U.S. benchmark oil price slipped below $50 per barrel on Monday, its lowest mark in nearly four years, and drivers across the nation will pay less than $2.20 per gallon on average when they fuel up this week.

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