An... interesting question!
Unfortunately, it's highly unlikely that a poop could propel a car. Here's why:
1. **Energy density**: Poop doesn't contain enough energy to generate the force needed to propel a car. The energy density of feces is relatively low compared to traditional fuels like gasoline or diesel.
2. **Chemical composition**: Feces are primarily composed of water, carbohydrates, proteins, and fiber, which aren't easily convertible into a usable form of energy for propulsion.
3. **Thermodynamics**: Even if we were to somehow extract energy from poop, the laws of thermodynamics dictate that it would