| 摘要 |
17 ABSTRACT This invention is concerned with improving the fuel efficiency of an engine. An engine or method of operating an engine that by introducing a secondary additive fuel or fuels in order to effect within the engine an extended combustion time and improve the 'burn' during the power stroke so as to ensure that fuel is utilised (burnt) as fully as possible thus improving 5 the efficiency of the engine and bringing about a reduction of harmful exhaust emissions. 10 15 |
