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A research team at the Federal Institute of Technology Lausanne in Switzerland has devised a technology concept that reduces truck carbon dioxide emissions by 90%.
In Europe, it is known that 40% of carbon dioxide emissions during transportation are generated by trucks. A paper published on the Energy Consumption and Environmental Research site (Frontiers in Energy Research) suggests a method of capturing carbon dioxide passing through truck exhaust pipes and storing them as liquefied carbon dioxide in tanks installed on the roof.
This technology concept first cools the diesel engine exhaust gas to separate moisture and removes carbon dioxide from the remaining gas by adsorbing it to the organic metal structure MOF through the TSA adsorption method. The liquefied carbon dioxide recovered in the tank is recovered at truck destinations or gas stations and converted into fuel or used for other purposes.
Applying this technology to vehicles equipped with large diesel engines such as trucks and buses can be expected to lead to significant reductions in carbon dioxide emissions. However, in order to apply this system, it is necessary to mount a tank that is about 2m in size to store carbon dioxide, and when liquefied carbon dioxide is full, the cargo volume is partially compressed.
The development team estimates that this technology is a concept, but it will take several years or more to put it into practice. The next step is to prototype the system and see if it actually works. However, if practical, this technology can be applied not only to trucks, but also to all diesel-powered equipment such as buses and ships. It is said that it can even be applied to internal combustion engines using other fuels such as gasoline. In addition to being an effective method of reducing carbon dioxide emissions, the possibility of retrofitting to existing engines is also expected to be a factor in lowering the barriers to introduction. Related information can be found here .
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