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Hydrogen-Diesel Engine Conversion System Tested in Scotland
U.K.-based UlemCo Ltd. has developed a dual-fuel engine system that can run on a combination of hydrogen and diesel fuel.
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U.K.-based UlemCo Ltd. has developed a dual-fuel engine system that can run on a combination of hydrogen and diesel fuel.
The system, which the company says can significantly reduce tailpipe emissions, includes hydrogen fuel injectors and a separate electronic control unit. A diesel pilot injection initiates combustion of the hydrogen, which is stored onboard at 5,100 psi.
At higher engine loads, the amount of diesel fuel is increased to achieve the same torque levels as a traditional diesel-only system, according to the developer. UlemCo claims the dual-fuel system generates about 70% fewer carbon dioxide emissions and as much as a 90% reduction in particulates.
As part of a £4.3 million ($6.2 million) project funded by the Scottish government, UlemCo currently is testing the system on refuse vehicles in the country’s Fife county. Hydrogen fueling stations are being set up in the area to support the program.
UlemCo was established in 2014 as a spin off from Revolve Technologies (formerly Roush Technologies Ltd. U.K.).
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