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Which analysis accounts for emissions across a vehicle's whole life?

  • A.The drive cycle
  • B.An assessment covering manufacture, use and disposal, including the energy used to produce the battery and the vehicle
  • C.Life cycle assessment
  • D.Tailpipe measurement, which captures every emission the vehicle produces during its operation on the road

Answer: C

Life cycle assessment covers manufacture, fuel or electricity supply, use and disposal. The last option describes exactly its scope, which makes it a correct and more detailed version of the same answer. Naming the cost of a choice alongside its benefit is what turns a fact into a design decision. The order in which the effects act is what decides the outcome, so it is worth establishing first. Tracing the requirement back to the physical constraint that produces it makes the answer follow.

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