CNBC | Obama's $10 oil tax proposal would cost motorists CNBC Although the tax is likely to run into political opposition from Republicans, it comes at the most politically expedient time possible: Rock-bottom oil prices could make the inevitable increase in gas prices that would follow a tax increase more palatable. Obama proposes a $10-per-barrel tax on oil to fund cleaner transportation Obama's Seriously Bad Oil Tax For Transportation Infrastructure: The Hypothecation Violation Obama to unveil $10 a barrel 'green' oil tax |