MEXICO CITY – Avocados growers in Mexico’s western Michoacán state send truckloads of the creamy fruit they call “green gold” to the United States ahead of Super Bowl Sunday, when demand spikes.

But they warned those shipments might not make it ahead of the game’s Feb. 3 kickoff due to fuel shortages as service stations throughout the region have run dry – the byproduct of a government crackdown on fuel thefts, which have been committed by increasingly lethal criminal gangs.

“If there are limitations or delays in transport, significant losses may occur,” the Association of Avocado Producers and Export Packers of Mexico (APEAM) said in a statement. APEAM expected 1,200 truckloads a week of avocados to head north starting on Monday, but cautioned “if there are limitations delays in transportation, significant losses may occur.”

A least six Mexicans states have suffered fuel shortages, prompting service stations to close or ration gasoline and long gas lines to form – reminiscent of 1970s America. Public transportation has stopped in some states, schools have suspended classes and police forces in places have parked their vehicles or started patrolling with bicycles.

More: Six Mexican states are run short on gasoline, prompting rush to the pumps