EXTRACTING TOP DOLLAR;
<h3>Refineries clean up, by restricting supply</h3><p class="source">Press Enterprise (Riverside, CA)</p>
<p>The recent jump at the pump is not being caused by a shortage of crude oil, but by too few refineries to process that crude into gasoline. In California - where five refiners control 90 percent of the state's gasoline supply - the artificial shortages that result when oil companies shrink refining capacity are particularly profound.</p>
