Global Internal Combustion Engine Market 2017-2021; New Report Launched
Various types of combustion engines were developed and tested during the second half of the 19th century. In the following decade, many such engines were produced with a power delivery of 6 HP and efficiency around 5%. This was followed by the introduction of the Otto-Langen engines in 1867 with enhanced efficiency up to 10%. It was during this time that the basic four-stroke engines that are used in modern day automobiles evolved and were considered as the best design.
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