• Carbon footprint of new disc brake generation cut by around 10%
  • Active Caliper Release: annual reduction in CO2 emissions of around 1 t possible
  • Remanufactured products: low-cost option for older vehicles

Knorr-Bremse, the global market leader for braking systems and a leading supplier of other rail and commercial vehicle systems, is living up to its overall product responsibility and helping to cut the carbon footprint of commercial vehicles.

As Dr. Peter Laier, Member of the Executive Board of Knorr-Bremse AG responsible for the Commercial Vehicle Systems division explains: “Our aim is to minimize the use of natural resources in all our business activities and thereby support a sustainable form of mobility. Life cycle assessments help us to understand at what points in the process we can best apply leverage – from production to recycling and disposal.”

New disc brakes: less CO2 during production and operation

With the aid of life cycle assessments (LCAs), Knorr-Bremse compared its new disc brake generations – SYNACT® for heavy-duty commercial vehicles and NEXTT® for trailers and semitrailers – with their respective predecessors, SN7 and ST7. Both newly developed versions deliver marked advantages in terms of safety, reliability and customer benefits. The LCAs, which are based on ISO 14040, the international standard for life cycle assessments, document the progress made on the sustainability front. Assessment of the production process alone (from cradle to gate) reveals an 11% drop in CO2 emissions for the new SYNACT dual-piston brake compared to its predecessor. The same comparison for the singlepiston NEXTT brake shows a 10% reduction.

Then there are the savings achieved out on the road through the use of the optional Active Caliper Release-System (ACR). ACR is a mechanical system patented by Knorr-Bremse which, when the braking process is over, separates the pads from the brake disc and at the same time centers the caliper. This minimizes brake drag and the resulting power losses inherent to all floating caliper brakes. In-vehicle tests by technical inspectorate TÜV Süd confirmed that in a two-axle truck, ACR can deliver fuel savings of up to 1%. Extrapolated to a five-axle truck-trailer rig on long-distance service, covering an annual 100,000 kilometers, this equates to a reduction of 1 tonne of CO2 per year.

Stefan Bräuherr is responsible for the topic of sustainability at Knorr-Bremse: “In order to anchor sustainability at product level more firmly throughout the whole product creation process,” he says, “in 2017 we formed a new cross-divisional Ecodesign working group. The aim is to flow sustainability considerations into the product development process from the planning stage onward, and to do so in a standardized way across the Group. We see this as another opportunity to leverage synergies between our two divisions.”

The Ecodesign working group brings together representatives of the Corporate Responsibility function, the Rail and Truck divisions, and in particular from the Remanufacturing unit.

EconX®: genuine – value-based – sustainable

In the aftermarket sector, Knorr-Bremse TruckServices adopts a Lifetime Efficiency approach and offers remanufactured products as a low-cost service option for older vehicles.

And indeed the “second life” of a product brings a huge increase in its sustainability. Knorr-Bremse remanufactures used products in such a way that they can be reutilized in their original role with a shorter service life. Compared with a newly manufactured part, the overall life cycle assessment is very positive.

Within the Commercial Vehicle Systems division, the portfolio of remanufactured products now covers some 500 different items which Knorr-Bremse markets under the EconX® brand. Despite the logistics of returning the used part, compared to production of a new product the CO2 emissions from remanufacturing are lower by as much as three quarters. In this way, in the first half of 2018, the company was able to save some 930 tonnes of CO2, 220 tonnes of material and 3,250 Mwh of energy through remanufacturing. These figures are based on LCAs that were audited and verified by the independent DEKRA institute.

Climate-neutral organic growth in the run-up to 2020

The emissions target that Knorr-Bremse originally set for itself for 2020 was already attained in 2014. The new target is for CO2 emissions from operations not to exceed their 2015 baseline level despite the marked increase in production capacities. With this in mind, the Group is working to boost energy efficiency at its locations and aims to achieve a clear increase in the proportion of renewable energy generated inhouse, for example by its own solar power plants. At the end of 2017, the commercial vehicle plant in Pune, India, brought a 600 kW plant on stream. On sunny days, the solar plant generates enough electricity to meet all the plant’s needs, independent of the regional grid. Another positive factor is the further increased proportion of energy from renewables in the Group’s externally sourced electricity. By way of example, since 2017 the Hungarian production plants in Budapest and Kecskemét have been supplied with electricity sourced entirely from renewables.

Über die Knorr-Bremse AG

Knorr-Bremse is the global market leader for braking systems and a leading supplier of other safetycritical rail and commercial vehicle systems. Knorr-Bremse’s products make a decisive contribution to greater safety and energy efficiency on rail tracks and roads around the world. For more than 110 years the company has been the industry innovator, driving innovation in mobility and transportation technologies with an edge in connected system solutions. Knorr-Bremse is one of Germany’s most successful industrial companies and profits from the key global megatrends: urbanization, ecoefficiency, digitization and automated driving.

Approximately 29,000 employees (per June 30, 2018) at over 100 sites in more than 30 countries use their competence and motivation to satisfy customers worldwide with products and services. Localization is a central focus of Knorr-Bremse’s strategy. Knorr-Bremse delivers braking, entrance, control and auxiliary power supply systems, HVAC and driver assistance systems for rail vehicles, as well as braking, steering, powertrain and transmission control solutions, and driver assistance systems for commercial vehicles.

In 2017, Knorr-Bremse’s two divisions together generated revenues of EUR 6.2 billion (IFRS). A comprehensive aftermarket & services business with high entry barriers gives these revenues increasingly cyclically independent stability. The company benefits from strong, entrepreneurial and experienced management. Technical excellence, reliability, passion and responsibility are deeply embedded in its corporate culture.

Firmenkontakt und Herausgeber der Meldung:

Knorr-Bremse AG
Moosacher Straße 80
80809 München
Telefon: +49 (89) 3547-0
Telefax: +49 (89) 3547-2767

Eva Doppler
Corporate Communications
Telefon: +49 (89) 35471498
Fax: +49 (89) 444454-193
E-Mail: eva.doppler@knorr-bremse.com
Alexandra Bufe
Head of Corporate Communications
Telefon: +49 (89) 3547-1402
E-Mail: alexandra.bufe@knorr-bremse.com
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