A consortium led by Dearman has been awarded almost £850,000 (total project value £1,246,085) by Innovate UK to develop a zero-emission auxiliary engine that will dramatically reduce the CO₂ emissions from refrigerated trucks and air-conditioned buses.
The project brings together Dearman, Hubbard Products and University of Birmingham, to develop a cost-effective, zero-emission auxiliary power and cooling system, which is based upon the revolutionary Dearman engine.
Dearman technology harnesses liquid air or liquid nitrogen to drive an engine that simultaneously produces zero-emission power and cooling. When used to provide auxiliary power, this technology could cut the well-to-wheel CO2 emissions of refrigerated trucks and air-conditioned buses by 35%, while providing a substantial cost saving to the operator.
Dearman engine technology is currently undergoing on-vehicle trials at MIRA, powering a transport refrigeration unit. The newly funded project will develop Dearman technology, so that cooling can be provided with a surplus of electrical power to run the vehicle’s auxiliary systems, such as electric doors, lighting and power steering. This has the capacity to deliver significant environmental benefits – because existing diesel-powered auxiliary engines do not face emissions regulations, they are generally inefficient and produce disproportionate levels of harmful emissions.
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