AP Environmental Scienceeasymcq1 pt
Cogeneration improves efficiency by
A.capturing waste heat that would otherwise be lost
B.burning fuel twice
C.eliminating all energy loss
D.using no fuel at all
Explanation
Core Concept
Using the same fuel for electricity AND heat (combined heat and power) can exceed 80% total efficiency versus ~35% for electricity alone.
Correct Answer
Acapturing waste heat that would otherwise be lost
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