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New Bosch diesel technology minimizes nitrogen oxide emissions
Reducing nitrogen oxide emissions protects the climate, and a new Bosch diesel technology helps achieve this. At the annual Bosch press conference on April 25, Dr. Volkmar Denner, chairman of the board of management, presented a breakthrough in diesel research. The Bosch innovations have made it possible to significantly reduce the nitrogen oxide emissions of vehicles, to the point that real driving emissions (RDE) are well below current limits as well as target limits for 2020. To achieve this, Bosch engineers fine-tuned existing technologies. Additional components that would result in higher costs are not required. “We have pushed the boundaries of what is technically possible,” said Volkmar Denner.
A record in lowering emissions
Since 2017, European legislation has required that new vehicle models emit a maximum of 168 milligrams of nitrogen oxide per kilometer travelled. This limit takes into account an RDE-compliant mix of urban, long-haul, and highway driving. From 2020, emissions limits will decrease to a maximum of 120 milligrams. Bosch technology already achieves a record value of 13 milligrams per kilometer – about a tenth of the future limit. Even with challenging urban drives, Bosch test vehicles have achieved an average of 40 milligrams per kilometer. This has been made possible by a combination of sophisticated fuel injection technology, a newly developed air system, and intelligent temperature management.
Smart and transparent
In addition to these latest innovations, Bosch continues to improve the diesel engine, now also with the help of artificial intelligence. The aim is to develop an internal combustion engine that runs practically without producing nitrogen oxide and particulate emissions. “We still believe that diesel will play an important role in the mobility mix of the future. Until we see a breakthrough with e-mobility, we need a highly efficient internal combustion engine,” said Denner. Another important step will be achieving a transparent carbon footprint for road traffic that also takes emissions from fuel production and power generation into account.
More information on innovative Bosch diesel technologies can be found here
Bosch Diesel Systems nominated for German Sustainability Prize
On November 27, the German Sustainability Prize’s award ceremony was held at the Maritim Hotel in Düsseldorf. Bosch Diesel Systems was among the finalists in the special “Resource Efficiency” category. Since 2008, the prize has been awarded to companies, municipalities, and research institutes for their special achievements in the area of sustainability. With over 800 applicants and 2,000 guests at the final event, the German Sustainability Prize is one of the biggest competitions of its kind in Europe.
Uwe Gackstatter (Bosch Diesel Systems) congratulates Margret Suckale (BASF) on winning the award for resource efficiency
Bosch Diesel Systems was nominated as a result of its lasting commitment to making diesel systems more eco-friendly and energy efficient. This includes responsible use of resources in production. For instance, with its eXchange program, Bosch refurbished around 60,000 used components in 2014. In so doing, the company was able to reduce energy consumption by around 90 percent compared with production of new components, and used 50 to 90 percent less material. Moreover, Bosch uses fuel injection and exhaust gas treatment systems as well as sensor technology to continuously increase the fuel efficiency of diesel engines, all the while reducing emissions. As a result, the fuel consumption of diesels has decreased by 30 percent over the past 20 years, while CO2 emissions have dropped 25 percent. At the same time, particle and nitric oxide emissions have decreased by 97 and 84 percent, respectively.
In order to achieve the EU’s 2020 CO2 fleet targets of 95 g/km, companies like Bosch are working to push powertrain electrification forward. At the same time, the company places great importance on making further improvements to the diesel engine. “Well into the next decade, both the internal combustion engine and electric drives will be developed in parallel,” says Dr. Volkmar Denner, chairman of the Bosch board of management. This is because especially fuel-efficient diesels make the European Union’s climate protection targets realistic. By 2020, the efficiency of diesels is expected to increase by another 15 percent. “A greater share of diesel means less CO2. We mustn’t lose sight of this in the current debate on urban air quality.” What is more, modern particle filters are so efficient that they even remove particles from the ambient air. Nitric oxide emissions can also be further reduced: “Bosch has the technology required to reduce the nitric oxide emissions of diesel vehicles to a minimum in real traffic conditions.”