&gt; The study found that oil, natural gas, and coal received $369 billion, $121 billion, and $104 billion (2010 dollars), respectively, or <i></i>70% of total energy subsidies over that period<i></i>. Oil, natural gas, and coal benefited most from percentage depletion allowances and other tax-based subsidies, but oil also benefited heavily from regulatory subsidies such as exemptions from price controls and higher-than-average rates of return allowed on oil pipelines.<p>Which part confuses you?