The
RLE is expected to be less effected by the EGR wear mechanism.
Also, 2007 emission levels will require expensive after-treatment
devices. While the modern lubricant additive package for diesels
has extended the engine life, the same additives also poison
the after-treatment devices. It is expected that the RLE will
tolerate much lower levels of anti-wear additives.
Finally, efforts to reduce CO2 emissions are compatible with
the potential threat of global warming.
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