IMF

An IMF working paper determined that global energy subsidies totaled $5.3 trillion this year, the worst offenders are China and the U.S. Placing a price on these subsidies, which include air pollution and carbon emissions, may be key to mitigation.
May 20, 2015   Reuters
With SUV sales up, car sales down, and mileage driven up, the effects of lower gas prices could soon extend to land use, making suburban and exurban commuting more affordable. Economists have a term for these effects: demand response.
Feb 24, 2015   The Wall Street Journal - The Outlook
Just as plummeting oil prices have caused state and federal political leaders to consider raising gas taxes, leaders in developing nations, both oil producers and consumers, are considering reductions in national energy subsidies.
Feb 5, 2015   The New York Times
A new IMF report recommends cutting energy subsidies globally to reduce overall fossil fuel emissions, reports Brad Plumer.
Mar 31, 2013   The Washington Post