This could fast-track the shift to clean energy.
would roll off the production line before the end of the year, and other electric truck makers could also follow suit. However, a complete overhaul of heavy vehicles to zero emissions could take years, perhaps even decades.This is why the effort of the UNSW engineers is commendable. Retrofitting existing diesel engines would be a much faster way to transition to a cleaner fuel-burning system to get the job done.
Hydrogen can be much more environmentally friendly when produced using renewable energy than burning fossil fuels like diesel. The research effort led by Shawn Kook, a professor at the School of Mechanical and Manufacturing Engineering, has demonstrated to have reduced carbon dioxide emissions to 90 g/ kWh, which is about 86 percent lower than that produced by a diesel-powered engine.
An added benefit is the increase in energy efficiency over existing diesel engines, which the researchers reported to have improved by as much as 26 percent. This was achieved by independently controlling the timings of injection of both fuels. The research team is confident of commercializing the technology within the next two years and plans to first deploy it in industrial locations such as mining sites where piped hydrogen lines already exist. Following this, the team will look to make its technology more mobile, where a hydrogen storage system will also be required.Abstract
Up to 90% hydrogen energy fraction was achieved in a hydrogen diesel dual-fuel direct injection light-duty single-cylinder compression ignition engine. An automotive-size inline single-cylinder diesel engine was modified to install an additional hydrogen direct injector.
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