LiveScience.com - Political and economic unrest in the Arab world have sent gas prices skyrocketing in the United States in recent weeks, and some lawmakers are ready to tap into the country's Strategic Petroleum Reserve. What is that, and how much oil is in it?<p><strong>Read more:</strong> <a class="rssreadon" rel="external" title="What Is the Strategic Petroleum Reserve, and How Much Oil Is In It?   (LiveScience.com)" href="http://us.rd.yahoo.com/dailynews/rss/business/*http%3A//news.yahoo.com/s/livescience/20110308/sc_livescience/whatisthestrategicpetroleumreserveandhowmuchoilisinit" target="_blank">http://us.rd.yahoo.com/dailynews/rss/business/*http%3A//news.yahoo.com/s/livescience/20110308/sc_livescience/whatisthestrategicpetroleumreserveandhowmuchoilisinit</a></p>