Assertion: fuel cell's efficiency | /r/HasProperty | about 70 percent
Facets:
Source sentences:
text: Efficiency is about 70 percent, and operating temperature is 150 to 200 degrees C, (about 300 to 400 degrees F).
text: Efficiency is about 70 percent, and operating temperature is 150 to 200 degrees C, (about 300 to 400 degrees F).
text: Efficiency is about 70 percent, and operating temperature is 150 to 200 degrees C, (about 300 to 400 degrees F).
text: Efficiency is about 70 percent, and operating temperature is 150 to 200 °C, (about 300 to 400 °F).