| Summary: | Interest in water-in-diesel emulsion fuel (W/D) grows because of its advantages in improving fuel efficiency, reducing greenhouse emissions and retaining the quality of the lubrication oil. Recently, a device called Real-Time Non-Surfactant Emulsion Fuel System (RTES) have successfully created an emulsion without surfactant for a 5kW single-cylinder diesel engine generator. This study integrates the RTES into a light duty lorry, and the effect of the integration is investigated. The lorry was tested on a chassis dynamometer with a controlled 16.6% water ratio. The results show how fuel consumption is reduced by 7.1% compared to neat diesel. Moreover, the exhaust emission of Nitrogen Oxides (NOx) is reduced by 52%, while as observed in other works, carbon monoxides (CO) emission also increased, in this case by 41.6%. This integration concluded to retain similar benefits and disadvantages as tested on the 5.5kW diesel generator.
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