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Mild Hybridization & 48V

Mild Hybridization & 48V

Publication Date: 25/06/2020
Number of Pages: 44

This report is available now to Powertrain and e-Mobility Service subscribers

Updated June 2020

Automakers are exploring every possible way to improve fuel efficiency and reduce vehicle emission levels. The 48V mild-hybrid system has become an important technology, at least in the short-to-medium term, before automakers move toward pure electric propulsion. The relative simplicity of adopting 48V systems within existing vehicle designs and a low integration cost make the technology attractive for manufacturers. To take full advantage of the increased opportunity of 48V, engineers will have to optimize the vehicle’s electrical architecture. The European market is expected to lead the movement to 48V, driven by new emissions requirements that are to take effect in 2021. Mainland China, which is dealing with severe urban air quality issues and adopting comparable emissions regulations, is expected to be close behind. This is followed by the United States, given that the mandated fuel economy requirements in the country are less aggressive in their phase-in process. IHS Markit expects that mild-hybrid solutions will preferably be integrated into lower-segment vehicles, where higher volumes can make a real impact on fleet efficiency, although the technology is a viable solution for every vehicle segment.

About this report

Appendices outlining definitions and abbreviations can be found at the end of the report.

Key questions addressed:

  • Why is 48V being considered?
  • What are the additional benefits available from 48V over 12V systems?
  • Which companies are driving the adoption of 48V electrical systems?
  • What configurations of 48V systems can be expected in the future?
  • How quickly will the 48V market grow globally?


Who needs this report?

  • Vehicle manufacturers
  • Vehicle component suppliers
  • Electronics suppliers
  • Battery manufacturers
  • Fleet managers
  • Government agencies
  • Investor community

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