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Old 06-03-2010, 09:16 AM   #7 (permalink)
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Argonne Labs is working on a combination of individual improvements with the goal of 60%+ efficiency.

Non reciprocating designs
Variable compression
The TSI design allows 80to1 mixture ratios and no after treatment

Also power train improvements that incorporate hypermiling driving techniques in the vehicle itself.

regards
Mech
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