An Affordable Approach Towards Local Zero Emission

Authors

Matthias Brendel, Paul Kapus, Gerald Teuschl, Thomas Pels, Christoph Sams,
AVL List GmbH, Graz

Summary

As a consequence of signing the Paris contract to limit the global warming to less than 2°C, technologies with low CO₂ footprint are required starting from today.

The global regulatory requirements outline a clear direction regarding industry challenges and CO₂ and emission goals. A core of various policies is to develop a roadmap without any preselection of technologies. This is expected to lead to requirements for the next generation of vehicles propelled by internal combustion engines to achieve zero-impact emissions which is only achievable with electrified engine and powertrain concepts.

Addon solutions based on 48V using conventional engines and transmissions are a first step showing limited CO₂ potential and customer value. Considering the cost per gram CO₂ saving these 48V solutions are in a similar area than higher degrees of electrified powertrains that offer more consumer experience of electric driving. Providing an answer to the question, if 48V can offer a wider range of scalability at more attractive cost, weight, package with more experienceable electric driving features, is the core focus of this paper. First of all, the limitations and potentials of state of the art 48V solutions need to be understood.

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