Wärtsilä 31 Bags the Record for World’s Most Efficient Diesel Engine

Wärtsilä is a Finnish company that manufactures engines, and hold under its belt the feat of manufacturing the giant RTA96-C marine diesel engine (this engines is 9-foot high, 44-foot long and capable of 110,000 horsepower). Now, it has bagged the record for creating world’s most efficient 4-stroke diesel engine. This...