DeCarice

Displacing diesel through retrofit

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At a glance

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    Development stage

    Prototype developed

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    Investment stage

    Seed

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    UNSW affiliation

    Spinout - staff led

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    Technology readiness level

    TRL 6

Why invest
Environmental factors, including mandatory emissions reporting and rising carbon costs, in combination with operational risks, including diesel fuel security and associated costs, are pushing heavy industrial businesses towards flexible and near-term deployable fleet upgrade technologies.

DeCarice is decarbonising heavy diesel machinery through hydrogen and natural gas hybrid technology.

Investment categories

Climate & clean tech, Transportation

  • DeCarice adapts diesel machines to run as hydrogen or natural gas hybrids. The engine is retrofitted with a UNSW-developed second injection system, which allows it to run on 95% hydrogen gas or 80% natural gas, creating a significant carbon benefit without compromising performance or durability.

    The process involves minimal overheads and retains diesel-only capability. This flexibility uniquely connects the decarbonisation efforts of heavy industrial businesses with their operational realities.

    • Heavy industrial operations rely on diesel machines but face mounting pressure to reduce their carbon footprint.
    • Existing technologies can be disruptive to core value creation due to uptime capability and lifecycle costs. In most cases, it’s not viable for these businesses to transition to existing clean power technologies.
  • Industrial businesses operating large fleets of heavy duty, complex diesel machines, with substantial decarbonisation commitments and clear barriers to electrification.

    • Technology implemented in four engines at UNSW Engine Research Laboratory and emissions outcomes published in peer-reviewed journals.
    • AU$1.29M raised in pre-seed SAFEs from venture capital.
    • Four pilot projects in pipeline, domestic and international including an Australian coal mine operator.

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