Hydrogen is a promising alternative to meet the world's energy demand, presenting many uses. Fuel cells are the most well-known use in automobiles. But Synthetic fuels is also an promissing alternative. Studies have shown the use of hydrogen as a fuel additive in internal combustion engines. This article aims to present a review of how hydrogen is used as a fuel source, as a replacement option for fossil fuels, reducing the environmental impact and CO2 emissions. Finally, in this review, some advantages and disadvantages will be preseted.
In response to the growing pressure from civil society on the automotive industry and governments regarding the sustainability and reduction of environmental impacts of vehicular fleets, in recent years there has been a substantial increase in the application and development of technologies applied to vehicular electrification. Among the efforts to massify electric vehicles there are aspects of their reduced autonomy compared to combustion vehicles. The study of vehicle aspects that influence vehicle autonomy becomes imperative so that the best driving practices and energy management strategy are mapped and known. This work aimed to evaluate the influence of the driver profile on the autonomy of electric vehicles. Data were obtained through a device connected to the OBDII port and collected significant information for the evaluation of vehicle parameters such as: speed, battery level, distance covered, autonomy and so on. The results obtained, albeit preliminary, indicate that the profile of the driver influences the autonomy of electric vehicles.
In response to the growing pressure from civil society on the automotive industry and governments regarding the sustainability and reduction of environmental impacts of vehicular fleets, there has been a substantial increase in the application and development of technologies applied to vehicular electrification. Among the efforts to massify electric vehicles there are aspects of their reduced autonomy compared to combustion vehicles. The studies concerning vehicle aspects that influence vehicle autonomy become imperative so that the best driving practices and energy management strategies are mapped and known. This work aimed to evaluate the influence of the driver profile on the autonomy of electric vehicles. Data were obtained through a device connected to the OBDII port and collected significant information for vehicle parameters evaluation such as speed, battery level, distance covered, autonomy, and so on. The results obtained, albeit preliminary, indicate that the profile of the driver influences the autonomy of electric vehicles.
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Biofuels have been long term considered in blends with mineral diesel aiming to reduce particulate matter (PM) emissions in diesel engines. In this context, biodiesel is one of the most promising biofuels, although optimizer additives are also considered to further reduce PM emissions. This work presents the results of an evaluation of the particle number and size distribution (PSD) emitted by a diesel engine fueled with mineral diesel, biodiesel and an optimizing additive. This additive aims to reduce the number of particles emitted, which advantages the use of biofuel in a diesel engine. This comparative study has shown that the addition of biodiesel to mineral diesel induces an increase in peak PM emissions and the additive was able to reduce emissions for the biodiesel mixture within the engine conditions tested.
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