What was a primary operational disadvantage of using wood for fuel?
Answer
It produced excessive sparks that risked setting fire to structures and cars
While wood was the primary fuel for the earliest American railroads due to its availability, it presented significant operational risks. One of the most dangerous drawbacks was the generation of large quantities of hot ash and sparks during combustion. These sparks were frequently ejected from the smokestack and posed a severe fire hazard to the wooden structures along the railroad right-of-way, such as stations and bridges, and even to the wooden passenger cars themselves, which were often ignited by the escaping embers.

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