Which Fuel Has Higher Energy: CNG or Petrol?

Discover the calorific value comparison between CNG and petrol to understand which fuel option is more advantageous.

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Compressed Natural Gas (CNG) generally has a lower calorific value compared to petrol. CNG's calorific value is about 50,000-55,000 kJ/kg, while petrol's is approximately 44,000-46,000 kJ/kg. However, CNG is cleaner and often cheaper, making it an eco-friendly alternative to petrol despite its lower energy content.

FAQs & Answers

  1. What is the calorific value of CNG? CNG has a calorific value of about 50,000-55,000 kJ/kg.
  2. Why is CNG considered a cleaner fuel? CNG produces fewer emissions compared to petrol, making it a more eco-friendly fuel choice.
  3. How does petrol's calorific value compare to CNG? Petrol has a calorific value of approximately 44,000-46,000 kJ/kg, which is lower than that of CNG.
  4. What are the cost benefits of using CNG over petrol? CNG is often cheaper than petrol, which makes it a cost-effective alternative despite its lower energy content.

Watch More

Interested in more comparisons between fuel types? Check out our other videos on energy efficiency and the environmental impact of various fuel options.

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