Low-emissions diesel fuel

Details Low-emissions diesel fuel Low-emissions diesel fuel

2006-06-20

2006-06-20

Toomer, Cephia D. (Department: 1714)

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

C044S358000, C044S362000, C044S363000, C044S364000, C060S274000

Reexamination Certificate

active

07063729

ABSTRACT:
A low-emissions diesel fuel comprises fungible aviation kerosene grade 55, 50–300 ppm detergent, 25–500 ppm lubricity additive and a bimetallic, fuel soluble platinum and cerium fuel borne catalyst (e.g., 0.1–2.0 ppm platinum COD and 5–20 ppm cerium oleate). The fuel can be used as is or in the form of an emulsion. A method of reducing the emissions of pollutants from a diesel engine, comprising running the engine on a fuel as defined. Retarding engine timing can further reduce NOxand the use of a diesel particulate filter and/or diesel oxidation catalyst can provide further reductions in carbon monoxide, unburned hydrocarbons and particulates.

REFERENCES:
patent: 4891050 (1990-01-01), Bowers et al.
patent: 5034020 (1991-07-01), Epperly et al.
patent: 5266083 (1993-11-01), Peter-Hoblyn et al.
patent: 5501714 (1996-03-01), Valentine et al.
patent: 5743922 (1998-04-01), Peter-Hoblyn et al.
patent: 6003303 (1999-12-01), Peter-Hoblyn et al.

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