<span class="s1" style="line-height: 20.8px;"><a href="http://www.ft.com/intl/cms/s/0/1ad11a30-db34-11e5-9ba8-3abc1e7247e4.htmlaxzz41YzPm2uF">Pemex,</a></span><span class="s2" style="line-height: 20.8px;"> Mexico’s state-owned energy company, saw its net loss last year almost double to 522bn pesos ($30.3bn) amid what its chief executive calls a liquidity crunch because of the <a href="http://www.ft.com/intl/topics/themes/Oil"><span class="s1">oil price collapse</span></a>.</span>