Environmental activists such as Erin Brockovich have called it the worst leak in the United States since the 2010 BP oil spill in the Gulf of Mexico.
Tonya Couch and her son Ethan were taken into custody this week in Mexico.
The family's father survived the fast-moving blaze.
The refinery upsets come as Mexican gasoline demand has prompted a slew of cargo bookings from West Coast hubs.
Autoridades defienden suspensión total de clases ante amenaza que resultó falsa
An analysis by National School Safety and Security Services found a 158% increase in the number of threats schools received in a five-month span in 2014 compared with the same period the previous year.
Autoridades policiales dicen que la amenaza "no fue creíble”; se estima que la ciudad habría perdido alrededor de 29 mdd
E-mail anunció ataque yihadista; 640 mil alumnos pierden clases
El cantante presumió ante fotógrafos su automóvil nuevo al salir de un hotel de Los Ángeles pero minutos más tarde fue detenido por la policía
The unplanned outages coincide with an uptick in demand from Mexico following a fire at that country's largest refinery in November.