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201514 Sep



Jaguar Land Rover has showcased some of the new and innovative low and zero emission technologies it is researching at this year’s CENEX Low Carbon Vehicle event.


As well as showing Battery Electric Vehicle, Plug-In Hybrid and Mild Hybrid technologies, Jaguar Land Rover’s research engineers have revealed how they are researching more efficient heating and ventilation systems and new solutions to reduce vehicle weight to improve emissions and fuel economy.


Because Heating, Ventilation and Air Conditioning systems (HVAC) consume substantial amounts of energy and therefore fuel, or electrical energy stored in the battery of a Battery Electric Vehicle (BEV), Jaguar Land Rover is working on research projects that could dramatically reduce the energy consumed when heating and cooling a vehicle.


Dr Wolfgang Epple, Director of Research and Technology, Jaguar Land Rover, said: “Today’s HVAC systems can draw 8-10kW from an electric vehicle battery, enough to reduce the range by up to 40 per cent, while air conditioning can reduce the range of an internal combustion engine by up to 20 per cent.


“So to improve the fuel economy and emissions of internal combustion engines and to enhance the range of a future BEV, we have been rethinking the thermal management of a vehicle cabin. We are developing new methods of heating and cooling the cabin, to achieve substantial reductions in energy consumption.”


Rather than continuously heating or cooling a flow of air as it enters the car, Jaguar Land Rover is researching how a car could heat or cool an ‘Air Bubble’ inside the vehicle once, and then maintain the temperature and quality of this air bubble using innovative new HVAC technologies. These include infra-red reflective (IRR) glass, tailor-made for the solar radiation profile of an individual region or country.  The glass would reflect the sun’s rays so less energy is required to cool the inside of the car.


To maintain the breathable quality of the warmed or cooled bubble of air, cabin air would be passed through a special filter in the vehicle boot. This filter would remove CO2, moisture and particulates from the cabin air and provide better air quality inside the vehicle than out.

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