Which scenario presents a possible environmental impact due to hydrogen fuel cells?
A) The fuel cells are used to power internal combustion engines rather than electric motors.
B) The electricity used to supply the fuel cells with hydrogen is produced using fossil fuels.
C) The combined exhaust emissions from fleets of buses equipped with fuel cells generates smog.
D) None of these are correct.
Correct Answer:
Verified
Q21: How does a fuel cell create an
Q22: Select the correct statement regarding electric vehicles.
A)
Q23: Fuel-cell vehicles emit
A) water.
B) oxygen.
C) hydrogen.
D) carbon
Q24: Which statement correctly describes ethanol?
A) Ethanol is
Q25: Select an advantage of running electric vehicles
Q27: Cogeneration systems
A) combust municipal waste along with
Q28: Which action helps to conserve energy?
A) switching
Q29: Select the MOST likely negative environmental impact
Q30: The waste heat generated by a car's
Q31: Which technology is currently the MOST
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