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A fleet of \( 200000 \) vehicles each travelling \( 12000 \) km a year at \( 0.48 \) g/km emits annually

  • A.115 tonnes
  • B.11520 tonnes
  • C.576 tonnes
  • D.1152 tonnes

Answer: D

The product is \( 200000 \times 12000 \times 0.48 = 1.152\times10^9 \) grams, or 1152 tonnes. Fleet totals of this kind are what an urban inventory is built from, and they scale directly with both the fleet size and the annual mileage.

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