Florida officials had asked the justices to hear a lawsuit accusing California and Washington of improperly granting licenses to an immigrant accused in a fatal crash.
California truckers have expressed strong interest in the Tesla Semi because it costs much less and can travel further on a charge than electric trucks sold by established manufacturers.
Every day, thousands of semi trucks roll in and out of the sprawling warehouse complexes outside Chicago, supporting the rise of next-day delivery. They pummel the roads, belch fumes and cause deadly crashes.
The police are investigating the incident after a driver of a monster truck appeared to lose control of the vehicle after performing a stunt at an outdoor rally in Popayán on Sunday, killing three people and injuring 40 others.
Attorney General Letitia James filed a suit against the Trump administration, which canceled the funding because it said New York had illegally issued trucking licenses.