Bosch eco-innovations: fine-tuning for the CO2 fleet target

  • „  EU recognises two new Bosch generator technologies as eco-innovations
  • „  Three Bosch eco-innovations – no other supplier offers more
  • „  Highly efficient generators reduce CO2 emissions
  • „  European car manufacturers can be granted CO2 credits of up to 7g CO2/km if they use eco-innovations.

Bosch has revealed two generator technologies, which promise to make vehicles more efficient and more economical, so they are able to meet the European Commission’s strict CO2 targets.

These two generators with high-efficiency diodes (HEDs) and synchronous active rectification (SAR) respectively have now been officially recognised by the EU, making Bosch the only supplier with three eco-innovations. The third is a navigation-based battery management system for hybrid vehicles.

With the “eco-innovation” label, the EU recognises particularly eco-friendly technologies. Vehicle manufacturers can have these technologies count as CO2 credits toward calculating their fleet fuel economy figures, with a maximum credit of 7g/km.

European regulations set an average emissions limit of 95g CO2/km for new vehicles starting in 2021. That equates to fuel consumption of just over 4 litres per 100 kilometres. In 2013, average CO2 emissions from new vehicles were still 132.9g/km.

“Bosch is improving every aspect of the internal-combustion engine,” says Dr. Rolf Bulander, member of the board of management of Robert Bosch GmbH. The new generators are a case in point: thanks to their excellent efficiency, the HED and SAR generators alone reduce CO2 emissions by one to two grams. At the same time, they provide more electrical power than standard generators when starting and at low engine speeds.

High efficiency reduces emissions

Generators are the power stations on board every vehicle. They reliably provide power to the safety, convenience, assistance, and injection systems as well as to engine management. They also recharge the car battery. To do this, generators convert mechanical energy into electrical energy. The higher the generator’s efficiency, the lower the vehicle’s fuel consumption and hence its CO2 emissions. To increase the efficiency, Bosch engineers took a close look at numerous generator details and made improvements, especially in the area of losses arising from rectification of the alternating current generated.

The high-efficiency diodes developed in-house reduce the generator’s CO2 emissions by up to 1.3g/km. In addition, compared to standard generators, this efficient version delivers five to seven amperes more at low engine speeds. That is particularly important, since on-board power consumers need a reliable power supply even at low revs. The generator with synchronous active rectification even offers some ten amperes more than normal generators, reducing CO2 emissions by up to 2g/km. With this technology, the diodes are replaced by high-performance transistors. Both generator versions are highly efficient and help make the vehicle more eco-friendly – something the EU has confirmed by recognising them as eco-innovations.

Contact person for press inquiries:
Sabrina Mayeen
Phone: +44 (0)1895 838813 

Mobility Solutions is the largest Bosch Group business sector. In 2014, its sales came to 33.3 billion euros, or 68 percent of total group sales. This makes the Bosch Group one of the leading automotive suppliers. The Mobility Solutions business sector combines the group’s expertise in three mobility domains – automation, electrification, and connectivity – and offers its customers integrated mobility solutions. Its main areas of activity are injection technology and powertrain peripherals for internal-combustion engines, diverse solutions for powertrain electrification, vehicle safety systems, driver-assistance and automated functions, technology for user-friendly infotainment as well as car-to-car and Car2X communication, repair-shop concepts, and technology and services for the automotive aftermarket. Bosch has been responsible for important automotive innovations, such as electronic engine management, the ESP anti-skid system, and common-rail diesel technology.

The Bosch Group is a leading global supplier of technology and services. It employs roughly 360,000 associates worldwide (as per April 1, 2015). The company generated sales of 49 billion euros in 2014.* Its operations are divided into four business sectors: Mobility Solutions, Industrial Technology, Consumer Goods, and Energy and Building Technology. The Bosch Group comprises Robert Bosch GmbH and its roughly 440 subsidiary and regional companies in some 60 countries. Including its sales and service partners, Bosch is represented in roughly 150 countries. This worldwide development, manufacturing, and sales network is the foundation for further growth. In 2014, Bosch applied for some 4,600 patents worldwide. The Bosch Group’s strategic objective is to create solutions for a connected life. Bosch improves quality of life worldwide with products and services that are innovative and spark enthusiasm. In short, Bosch creates technology that is “Invented for life.”

Additional information can be accessed at www.bosch.co.uk and www.bosch-press.com.

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*The sales figure disclosed for 2014 does not include the former joint ventures BSH Bosch und Siemens Hausgeräte GmbH (now BSH Hausgeräte GmbH) and ZF Lenksysteme GmbH (now Robert Bosch Automotive Steering GmbH), which have since been taken over completely.

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