The Contribution of Engine Mechanics to Improved Fuel Economy

Markus Schwaderlapp; Mirko Plettenberg; Dean Tomazic; Gregor Schuermann; Felix Ring; Stephen Bowyer

doi:10.4271/2014-01-1663

Measures for reducing engine friction within the powertrain are assessed in this paper. The included measures work in combination with several new technologies such as new combustion technologies, downsizing and alternative fuels. The friction reduction measures are discussed for a typical gasoline vehicle. If powertrain friction could be eliminated completely, a reduction of 15% in CO₂ emissions could be achieved.

In order to comply with more demanding CO₂ legislations, new technologies have to be considered to meet these targets. The additional cost for friction reduction measures are often lower than those of other new technologies. Therefore, these measures are worth following up in detail.

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The Contribution of Engine Mechanics to Improved Fuel Economy 2014-01-1663

SAE MOBILUS