According to Oregon and California’s fire departments, trucks were stopped in Davis, California, just outside Sacramento, for maintenance and safety checks, and those trucks continued onward. Photos and news coverage confirm that trucks from other states were assisting firefighters in Los Angeles.

Fire trucks traveling from Oregon and other states to help fight the California wildfires were stopped for routine 15-minute safety checks, not emissions testing.

After Oregon sent 300 firefighters and 75 engines to help fight the LA fires this week, rumors began circulating that equipment and crews had been stopped for emissions testing.

Officials in California and the Oregon State Fire Marshal’s office have rebutted claims that a lack of "smog certification" or needing "emissions testing" kept Oregon fire trucks from aiding with the Los Angeles fire response.

Fire officials from both states say no engines were prevented from entering California and none of the vehicles underwent any emissions testing.

Crews from neighboring states are helping California fight the Los Angeles area fires, and officials say regulations are not holding them up.