| 摘要 |
<p>PCT No. PCT/EP92/01481 Sec. 371 Date Feb. 28, 1994 Sec. 102(e) Date Feb. 28, 1994 PCT Filed Jul. 1, 1992 PCT Pub. No. WO93/01260 PCT Pub. Date Jan. 21, 1993.An additive comprising an oil-soluble stable free radical, such as a nitroxide, or a precursor therefor, is used in a fuel oil to reduce, on combustion of the fuel oil, one or more of particulate emissions, hydrocarbon emissions, carbon monoxide emissions, and oxides of nitrogen emissions.</p> |
