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MACS March 2021 ACTION Magazine

March 2021

By Peter Orlando, Carquest Technical Institute / Advance Auto Parts

The modern internal combustion engine with all its advanced technologies is still grossly inefficient. Even when operating at peak efficiency, it’s still only about 30-35 percent efficient as machines go. This translates to approximately 65-70 percent of the heat of combustion lost to the atmosphere. Much of this heat loss is released into the exhaust and cooling systems. Read this article

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