The good news for US energy security is that in 2011, the country became a new net exporter of petroleum products. The price of fossil fuels, however, is likely to continue to trend upward.
对美国的能源安全来说，好消息是在2011年，美国转变为成品油净出口国。但是，化石燃料的价格可能还将延续上涨趋势。