nadrealista

"The higher pressures and temperatures of a turbocharged engine can lead to a problem known as knock, which occurs when the fuel and air in the engine explode prematurely, hurting performance and potentially damaging the engine.

Cohn said his group's technology avoids that problem by injecting ethanol into the engine when knock is likely to occur. The ethanol vaporizes and cools the fuel-air mixture, keeping it from exploding until the engine is ready."<ul><li><a href="http://news.yahoo.com/s/nm/20061025/sc_nm/science_engine_dc_1">Whole article</a></li></ul>

S4_Cinci (I S'edTFA)

One step beyond the traditional use of water injection. Thanks for the link.