Air Pollution: Causes, Effects and Control · NCERT Biology

Which of the following is a disadvantage associated with the use of CNG as a fuel for public transport?

  1. CNG is more expensive to purchase than diesel
  2. CNG produces more sulfur dioxide than conventional fuels
  3. Laying pipelines for uninterrupted CNG supply is difficult
  4. CNG engines are incompatible with existing vehicle designs
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Correct answer: Laying pipelines for uninterrupted CNG supply is difficult

The main challenge with switching to CNG is the logistical difficulty of laying down a vast network of pipelines. This is necessary to ensure a steady, uninterrupted supply to all fueling stations across a large city.

Difficulty: Medium Question 11 of 20

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