When Compared to Burning Coal Directly, Producing Synfuels Has All

question 45

Multiple Choice

When compared to burning coal directly, producing synfuels has all of the following disadvantages, except

• A)requires mining 50% more coal
• B)production and burning of synfuels could release 50% more carbon dioxide
• C)synfuels have lower net energy yield than conventional coal
• D)synfuels require greatly increased use of water
• E)supplies are quite low