Assertion: fuel cell's efficiency | /r/HasProperty | about 40 to 50 percent
Facets:
Source sentences:
text: Efficiency is about 40 to 50 percent, and operating temperature is about 80 degrees C (about 175 degrees F).
text: Efficiency is about 40 to 50 percent, and operating temperature is about 80 degrees C (about 175 degrees F).
text: Efficiency is about 40 to 50 percent, and operating temperature is about 80 degrees C (about 175 degrees F).
text: Efficiency is about 40 to 50 percent, and operating temperature is about 80 °C (about 175 °F).