Question:medium

The world’s first Diesel to Electric locomotive twin engine of 10,000 horsepower was flagged off in:

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Hybrid and conversion technologies are crucial in the transition toward sustainable transportation, offering faster deployment compared to building new fleets.
Updated On: Jul 15, 2026
  • U.S.A
  • China
  • India
  • South Korea
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The Correct Option is C

Approach Solution - 1

Step 1: Understanding the Question:
We need the country that flagged off the world's first Diesel to Electric twin engine locomotive of 10,000 horsepower.

Step 2: Key Approach:
Check which country actually carried out this specific engineering conversion before any other country did.

Step 3: Detailed Explanation:
No comparable project had been completed in the U.S.A, China, or South Korea at this time. India converted two diesel WDG3A locomotives into a combined electric twin engine unit producing 10,000 horsepower, built at the Madhepura Electric Locomotive Factory in Bihar in partnership with Alstom of France, aimed at cutting diesel use and boosting freight hauling capacity.

Step 4: Final Answer:
India flagged off the world's first such locomotive.
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Approach Solution -2

Thinking about the motivation behind this kind of project, cutting diesel dependence while keeping strong hauling capacity for freight, helps confirm where it was actually carried out.

  1. U.S.A: No comparable push to convert diesel locomotives into an electric twin engine unit of this scale took place there at this time.
  2. China: Similarly, no matching conversion project driven by this specific goal was completed in China.
  3. India: Facing a need to cut diesel costs and environmental impact while still hauling heavy freight, engineers converted two WDG3A diesel locomotives into one electric twin engine unit rated at 10,000 horsepower, built at the Madhepura factory in Bihar with French partner Alstom.
  4. South Korea: No project matching this specific goal and scale was undertaken in South Korea either.

Matching the motivation behind this achievement, replacing diesel power with a high output electric alternative, to an actual completed project points to India.

Therefore, the correct answer is India.

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