The HISCORE Engine Project


The ‘HiSCOrETM Engine

"The Future of Engines"

Proprietary, Innovative  
‘High-Torque, Silent, Closed-Cycle, Orbital Engine
A Revolutionary Innovative Energy-Efficient and Low-Emissions Green Engine Technology

A Global Impacting Revolutionary Power and Propulsion System
For a Diverse Range of Global Market Applications
Across Land-Based, Maritime and Aviation Industry Sectors

Offers an Unrivaled Competitive Solution and Technology Alternative
to the Conventional Internal Combustion Engine and the Electric Vehicle

The Alternative to the Alternatives


The HISCORE Engine (HISCORE) is an expansion engine. It has been design and engineered for the utilization of expansive mediums for its power supply (including superheated water, sustainable renewable energy liquid-air, liquid-nitrogen and compressed-air). It is an expansion engine that operates similar to the conventional  expansion turbine, and the alternative to. The HISCORE is unique, there is no other engine of its type in the global engine and automotive industry.

It is a new energy / fuel efficient and low-emissions technology = a clean-tech green engine. The HISCORE is a game changing engine technology - the future of engines, the next big thing in green technology to replace the highly polluting conventional internal combustion engine (ICE). In comparison, the HISCORE has predicted capability to reduce fossil-fuel consumption between 50-90%, engine exhaust CO2 emissions by between 50-95% and air-particulate smog emissions 83%.

The HISCORE  has primary commercial employment as an external combustion steam engine and therefore it is then flexi-fuel, that is it can burn most any fuel to advantage to superheat water to steam in its attached (proprietary) purpose-engineered external high pressure steam generating prime-power unit, liquid or gaseous (including renewable energy biofuels) or a combination of both, duel-fuel. The HISORE external combustion engine is employed in a modified regenerative steam-rankin-cycle system for delivering a fuel-efficient closed-cycle HISCORE steam power plant that is power scalable up to thousands of horsepower.

It is a more efficient Engine than the iCE, it is silent running, flexi-fuel, more fuel-efficient and emissions-effcient, compact and light weight. Silent with high start torque, it operates with the efficiency of an electric motor.

The external combustion steam engine is not a new engine technology concept. It is a long-proven and accepted technology that has been around for a long time with applications using the 'Steam-Rankine-Cycle' system, for example in steam locomotives, steam turbine ship propulsion and steam turbine power generation. The HISCORE power plant system is a smaller version with the difference being that the HISCORE, more efficiently, replaces the expansion turbine component.

The HISCORE Engine can supersede the inefficient and highly polluting conventional internal combustion engine. The introduction of the clean engine HISCORE technology will impact positively and beneficially on climate change. The introduction will start the reverse of pollution caused by the internal combustion engine in all types of vehicles around the world. Particularly from heavy truck transport a major polluting sector which is the primary focus for the HISCORE roll-out.

With Earth's ever growing population requiring more and more vehicles on the roads consquently causing more pollution and with vehicle exhaust emissions directly affecting climate change and global warming, the HISCORE is an engine whose time has come - it is a global pollution solution !

A game changing innovative green engine technology that will help to make a greener Earth and preserve our planet for future generations. "There is no Planet B" (...Jose Maria Figureres - President, Carbon War Room)


For Articulated Heavy Duty / Class-8 Truck Applications
Aftermarket Repower and OEM New Options

Compared with a conventional internal combustion engine over same route with same load at highway speeds the HISCORE-1600 offers a predicted 60%+ reduction in diesel consumption (fuel efficiency) = 60%+ GHG/CO2 exhaust emissions reduction (60% = fuel economy increase to 14mpg / 6km/L or 130% - typically 6mpg / 2.5km/L). The fuel efficiency / fuel economy achieved is route case specific. Delivers significant fuel cost savings and other running cost savings, the fuel savings amount dependent on the diesel price in country of operation (particularly in Europe). Annual fuel cost savings are dependent on annual distance travelled and the associated annual fuel cost (higher the distance figure = higher the savings) - in the USA for 150,000mi this can be up to $80,000 depending on the diesel price. Most financially beneficial to long-haul trucking, particularly for fleet owners. Fuel cost savings are further increased when using CNG and LNG in the USA. Exhaust emissions are further reduced, to around 70% when using natural gas fuels (LNG/CNG), or renewable energy biofuels.

Key Attributes:
(1) Fuel Economy: fuel burn reduction = fuel cost-savings (the higher engine hours operation = the higher cost savings)
(2) Emissions Economy: Low or no CO2 exhaust emissions depending on fuel type used
(3) Fuel Type Flexibility: Liquid or gaseous
(4) Silent running
​(5) High Torque: 1600 lb-ft at 0-10 rpm

HISCORE Engine General Attributes:
  • Flexi-Fuel Engine. Prime-Power Unit: Liquid (petrol / diesel / biofuels (biodiesel, renewable 'green' diesel), jet fuels) or Gaseous (LNG/CNG, liquid-air/liquid nitrogen, compressed-air)
  • Quick Start (7-9 seconds)
  • Silent Operation (Stealth Capability)
  • Reliability and Long Life 20,000+ Hours
  • Three (3) Moving Parts: No Cams, No Reciprocating Parts, No Wobble Plates, No Yokes, No Flywheel or Starter Motor
  • No Lubrication Required For Engine Life (self-lubricating) - running cost saving
  • Serviceable: One Person; Three Wrenches: Assemble/Disassemble
  • Low to No  CO2 Emissions Capable
  • Light Weight – Engine 4kg / 9lb (1600 Model)
  • Total power plant system weight < 65kg / 135lb (1600 model) - extra payload lift - adds to fuel economy
  • Compact of Size vs Power
  • High Power to Weight ratio - 50hp per lb (1600 model)
  • Remarkably High Torque (1600 model, 1600 lb-ft at 0-10 rpm) and Power Outputs (scalable) - like an electric motor
  • No Conventional Transmission Needed (1600 model) - reduction gearing may be required (application specific)
  • Reversible 
  • No Over Heating, Near Ambient Exhaust
  • Power Scalable: Palm-Sized 8 HP to Thousands of Horsepower
  • Installed in any attitude (horizontal or vertical or in between). Stackable (coupled) for power increase
  • Low Maintenance - running cost saving
  • Easily and Quickly Replaceable (New or Spare Engine)

In comparison with other engine technologies on the market, the HISCORE 1600 is unrivalled for offering more value for money (for the investment outlay) - in terms of the fuel and vehicle running cost savings package with a shorter payback period (less than 2 years) - than LNG / CNG engine conversions, and LNG / CNG Electric Hybrid, Diesel-Electric,Hybrid, Hydrogen Fuel Cell and Battery-Electric, trucks.

The HISCORE 1600 is suitable for off-highway engine applications (eg gensets, stationary engines) and also in the maritime and aviation industry sectors. Multi-Industry Sector capable = extensive market capability on a global scale, it is a global product.

The HISCORE 1600 450hp model is a Generation-3 up-scaled version of the already proven Generation-2 100hp model (this model was tested for thousands of hours without any detectable wear on parts using no lubricating oil). The 1600 model can be stacked / coupled to deliver higher horsepower = 2X 900hp and 3X 1,350hp (suitable for small ship and aircraft propulsion applications).

The 1600 model is now ready for the commercialization and to-market road.

The HISCORE Engine Systems company plans to open 'HISCORE Repower Clinics' to service (aftermarket repower retrofit) the millions of polluting heavy-duty trucks on the roads around the world (nearly 3 million class-8 trucks in the USA alone).


The HISCORE 1600 model, given it is compact, can also be applied to automobiles in the higher powered large class premium/ uxury class.

The HISCORE 1600 (in a 40mpg / 6L/100km vehicle case example) can offer indicatively 50% reduction (= 50% fuel-eficiency) in petro gasoline or diesel fuel consumption, which economically equates to paying 50% less on both the cost of fuel and the price of fuel (= 100% improvement in fuel economy) and therefore directly save CO2 and air-pollutant (AP) emissions by around 50%. Being flexi-fuel capable, a HISCORE vehicle (HV) can burn, in place of fossil gasoline or diesel, renewable biofuels, biodiesel or, renewable 'green' diesel which when used neat can reduce (save) CO2 and AP emissions up to around 90% and 65% respectively = the tailpipe emissions savings over fossil gasoline and diesel. Therefore taking HISCORE's total CO2 and AP emissions saving combined benefit up to around 95% and 83%. HISCORE's high emissions saving is derived from (1) high fuel-efficiency, the ability to use less fuel over the same distance as gasoline or diesel vehicles (2) capability to burn cleaner biofuels.

The HISCORE can be power scaled down to suit other automobile applications for lower powered class models.


The HISCORE powered vehicle (HV), will offer a greener, more fuel-efficient and long-distance alternative to the EV’s battery-electric powertrain. Its pending market introduction with its superior performance features could effectively make the  Electric Vehicle (EV) and the Plug-in Electric Vehicle (PHEV) obsolete.

Even burning fossil fuels, gasoline and diesel, the HISCORE is greener, has a lower carbon footprint, than the EV. Greener again burning renewable biofuels (biodiesel and renewable 'green' diesel). 

The HISCORE is the ultimate green engine, the future of engines with no obsolescence. Being power scalable it can be made available in many different car models and vehicle types. 

The HISCORE, standing for ‘High-Torque, Silent, Closed-Cycle, Orbital Engine’, is an external combustion engine that operates like an all-electric powertrain only more efficiently and effectively. It is a silent, flexi-fuel (liquid or gaseous) engine offering higher fuel economy and CO2e emission reduction than the EV. It does not have batteries and therefore no (limited) recharging station support network, new infrastructure, is needed - and vitally it offers a longer driving range, higher fuel endurance, far better than the EV (and PHEV), giving unrestricted (business as usual) motoring = no range anxiety.

Case in point example (USA model): comparing a HISCORE 1600 (450hp/336kW) model with the Tesla S 85kWh (373hp/278kW) model. For a much lower price tag the HISCORE offers:
  • Higher motor power (1.2X)
  • Higher torque (5X)
  • Higher (net) fuel economy (5X)
  • Lower running cost per mile/km (5X) 
  • Longer driving range (5X)  (1458mi / 2,334km)
  • Longer refuel endurance (than normal) (200X) (up to 42 days)
  • Lower CO2 emissions (4X) (well-to-wheel comparison or plug to wheel)
(indicative figures)

From the comparison, it is obvious that the HISCORE scores more points, offers better overall performance and value for money.

It is acknowledged that the EV has zero carbon and air-pollutant tailpipe emissions on-road and in comparison a HV (HISCORE Vehicle) can have on-road carbon emission savings of up to around 95% and air-pollutants 83% burning renewable energy biofuels. However in the important green comparison, the lifecycle or well-to-wheel total emissions have to be compared and in this case the HV would win out over the EV.

The lifecycle CO2 emissions saving of the EV depends on how emissions-clean the electric-fuel is = the upstream electricity supply from the plug to charge the battery,  normally grid-tied this will vary and will depend on where it is charged, the country, state or region where the vehicle is operated - that is, CO2 emission saving benefits of EVs are not shared evenly around the globe. However, the HISCORE on the other hand being non-electric does not have this situation and CO2 emissions saving will be predictable from the fuel type option employed and therefore does share its stable emission saving around the globe.

Given that the HISCORE is an external combustion engine and thus can burn most any fuel, gasoline can be substituted by diesel which then means renewable biofuels, biodiesel and renewable 'green' diesel, can be used thus increasing the CO2 emissions saving. Comparing EV CO2 lifecycle emissions in gasoline vehicle fuel economy mpg-equivalent: allowing an average US grid EV CO2 emission gasoline mpg-equivalent of 40 and using green diesel a HISCORE 1600 powered vehicle's (HV) CO2 emissions gasoline mpg-equivalent is potentially 235mpg up to 470mpg (depends on biomass type refined) = a >6X margin. In countries where the EV lifecycle CO2 emission gasoline mpg-equivalent is lower, like India, Australia and China where electricity is derived from coal burning, the HISCORE CO2 emission gasoline mpg-equivalent margin would be higher >8-12X. Even in the cleaner electricity countries of Canada and France, the HISCORE CO2 emission gasoline mpg-equivalent margin is higher, 2-3X.

In the EV, the plug-to-wheels mpg-equivalent (mpge) consists of two cost components that affect the mpge. First the plug to battery which is the electric-fuel cost (based on grid electricity cost) and second the battery to wheels cost which factors the battery depreciation cost (this cost is a real cost as part of the fuel delivery and must be taken into account when arriving at an actual economic-mpge = real dollar cost per mile) and the two costs together result in an end mpge, a net or depreciated mpge. The indicative battery to wheel cost is calculated based on battery warranty years, replacement cost of the batteries, an average distance to be traveled over the battery warranty time, and an allowed price of gasoline. In the above comparison example, after adding in the electric-fuel cost per mile, at date, this net or economic-mpge would be an indicative 14mpge compared to the US national average 40mpge of EVs – that is for the EV, mpge fuel burn economy does not equal mpge fuel cost economy, the economic-mpge is the one that really matters for comparisons by most buyers. Depreciated fuel economy does not apply to the HISCORE, mpg fuel burn economy = mpg fuel cost economy.


Site last modified 6 March 2016