Study of Mixtures of Methane and Carbon Dioxide as Fuels in a Single Cylinder Engine (CLR) 770796

A single cylinder four stroke gasoline engine (CLR) was used to investigate the feasibility of using sewer gas as an alternate fuel while modification to the engine was kept to a minimum. Results indicated that using sewer gas having quality of 65/35 in methane/carbon dioxide volume ratio on the “as is” basis, engine power losses could be kept below 22% compared to those obtained with gasoline. Corresponding improvements in brake specific fuel consumption could be as high as 30%. UHC, NO, and CO emissions were reduced.


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