Answer Posted / asdf

4 stroke is more efficient than 2 stroke in terms of fuel
consumption and emission.

But in terms of power, 2 stroke is more efficient. it
produces power in 1 revolutions of crankshaft than 4 stroke
in which 2 revolutions required..

Moreover, the world's most powerful engine is turbocharged
2 stroke diesel engine of around 1,00,000 hp developed by
Aioi works, Japan..

some one had made a mistake in the answers shown above
informing 4 stroke is better in power...

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