Within hours of the accident early Friday morning, operator Genesee & Wyoming had already ruled out many of the factors cited in the deadly Lac Megantic disaster, where a runaway train careened into the center of town, bursting into a fireball that killed 47 people and levelled buildings, Reuters reported.

The train in Alabama was travelling on relatively flat terrain at below the 40 miles per hour limit, not parked atop an incline where brake failure may have been an issue.

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