Democratic presidential nominee Joseph R. Biden Jr. and President Trump face off on Nov. 3 in a U.S. election being closely watched by Mexico’s energy sector.

Trump and Biden

Mexico’s energy system, like its economy, is tightly intertwined with its northern neighbor. The country imports around 70% of its natural gas and around 80% of its gasoline from the United States.

As a result of the opening of energy markets and multilateral trade deals, U.S. investors have made crucial investments in the Mexican energy space. Trade with the United States rose to $614 billion in 2019 from $248 billion in 2000, transforming Mexico into the United States’ largest trading partner. 

The issue of Mexico, or Latin America, has remained largely absent from each candidate’s campaigning. However, the...