* Noise pollution. Automobiles were noisy, and many people found the sound of them to be annoying.
* Air pollution. Automobiles also produced air pollution, which was a problem for people living in cities.
* Social disruption. Automobiles changed the way people lived their lives. They made it possible for people to travel more easily, but they also led to increased traffic and congestion.
* Economic disruption. Automobiles also had a negative impact on the economy. They put many blacksmiths and carriage makers out of business.