Getty ImagesFirefighters reacted to a “working fire” at the Tesla plant in Fremont, California on Thursday afternoon, according to a statement from the Fremont Fire Department. No firefighters or workers were hurt, the fire department said.The fire reportedly happened in an area of the Tesla center that is under construction. This is Teslas main U.S. lorry assembly plant. The company is presently building a 2nd one in Austin, Texas.Elon Musks electrical automobile business makes its Model 3 sedan, Model Y crossover SUV, and higher-end Model S and X electrical automobiles in Fremont.The Fremont plant recently shut down for a minimum of 2 days due to parts shortages, according to Musk.The factory has a history of expensive fires, including several fires at its paint shop, as CNBC has previously reported.According to Teslas 4th quarter filing with the SEC, Tesla has gotten “notices of offense” from the Bay Area Air Quality Management District relating to air allowing and compliance for the Fremont factory, too.” The EPA is reviewing the compliance of our Fremont Factory operations with relevant requirements under the Clean Air Act, and we are dealing with the EPA in responding its demands for information,” Tesla stated in the filing.According to the Fremont fire department, “The ingrained fire was included to an automobile production marking machine.” City firefighters collaborated with Teslas internal brigade, the Tesla Fire Response Team, to consist of the fire within a few hours.Tesla did not right away react to a demand for comment.As of Thursday night, the fire at the Fremont factory was under control with fire truck and a truck remaining at the scene to monitor the circumstance. The reason for the fire was figured out to be “molten aluminum and hydraulic fluid.”