new super clean Electrified Diesel innovation capable of reducing real-world emissions by 60 per cent will be key to ensuring that “diesel has a future”, as well as auto reveal has been provided an special preview of exactly how it will work.
Engineers at tech as well as tyre business Continental have established an electrified after-treatment system capable of reducing NOx emissions by almost two thirds under real-world driving. The business states that it’s already in discussions with manufacturers over the technology.
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Key to the new set-up is an electrically heated catalytic converter that utilizes a 48V electrical system. Johannes Drechsel, advancement engineer at Continental, explained to auto reveal exactly how the tech works. “Instead of a typical catalytic converter that relies on the engine to bring it as much as temperature, our catalyst relies on electricity from the 48V system to warm up,” he said.
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“Because it utilizes electricity rather than the engine, the catalyst heats up much quicker, which enables for high-efficiency NOx reductions.”
Drechsel explained that some present digitally heated catalysts depend on 12V set-ups, however the bigger 48V system is able to warm up the catalyst much more quickly. The business likewise modified other parts of the after-treatment system, such as injecting the AdBlue urea solution into the exhaust stream instantly without needing a separate mixer.
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Continental converted an existing Volkswagen Golf to run on a 48V system instead of a routine 12V set-up, as well as under the forthcoming real driving emissions (RDE) cycle, it saw a 60 per cent reduction in NOx levels over the basic model, in addition to a three per cent autumn in CO2 emissions as well as a four per cent enhancement in fuel economy.
Drechsel told us: “Diesel vehicles will continue to play a role, however they have to be clean in the future. This type of innovation will assist to ensure diesel has a future.” auto reveal was able to try the customized Golf at Continental’s test track in Germany. A portable Emissions measurement System (PEMS) was fitted to the back of the vehicle as well as during our test drive – where we accelerated as much as motorway speeds – we recorded NOx emissions of 69mg/km. That’s well below the present Euro 6 limit of 80mg/km.
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