Browse Publications Technical Papers 2001-01-3589
2001-09-24

Hybrid Fuel Technique for CO2 Reduction in SI Engines 2001-01-3589

This paper describes a new hybrid fuel technique for improving the thermal efficiency and fuel economy of SI engines. A new type of fuel additive that has friction modification effects was evaluated. By treating gasoline with this additive, a fuel economy benefit of up to 2.4%, which means a 2.4% reduction in carbon dioxide emissions from vehicles, has been attained in a modified Japanese 10-15 mode test. Improvements in the engine power and vehicle acceleration were also observed due to application of this technique. No-harm tests were also conducted, and it was found that this technique exhibited no significant harmful side effects in the tests conducted in this program.

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