Carnot IFPEN Transports EnergieHybrid and electric powertrains     
Overview and challenges

Globally, the transport sector is responsible for 23% of greenhouse gas emissions (GGEs). To reduce them, there is a significant shift towards electric energy:

  • across all market segments:
    • private vehicles: from small, no-license cars (Aixam) to premium vehicles (BMW, Jaguar),
    • heavy trucks,
    • urban buses,
  • in all countries,
  • following the dieselgate scandal, there has been an acceleration in the development and marketing of all-electric vehicles, to complement the hybrid offer.

In addition, the electrification of transport makes it possible to:

  • significantly reduce local pollutant and CO2 emissions,
  • improve the energy footprint, thanks, for example, to braking energy recovery.

The technological efforts required concern:

  • electrochemical storage solutions (batteries) and their control,
  • electric machines and their associated power electronics (inverters and control),
  • the electrification of powertrain functions such as the turbocharger,
  • energy recovery systems, based on organic Rankine cycles (ORC) for example, to reuse the thermal energy lost in the cooling system or exhaust gases,
  • integrated range extension systems such as micro-turbines and fuel cells.

A substantial reduction in sales prices, the roll-out of rapid recharging infrastructures and the development of government incentive policies to increase market shares are the three principal challenges to be met to ensure electric engines become a sustainable and large-scale alternative to IC engines in the global vehicle fleet.

Electric vehicles could make up between 6 and 9% of the global vehicle fleet by 2030 (compared to less than 1% in 2016) – Source Foley.

The number of electric vehicles throughout the world - 2013-2017
The number of electric vehicles throughout the world (all-electric + rechargeable hybrids) increased 20-fold between 2011 and 2017, to reach a market share of 1.3%.


Promoting “zero emissions mobility” thanks to highly energy-efficient technologies: such is IFPEN's strategy
in the field of system and component electrification.

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Adlène Benkenida

  • Program manager: “Electric components and powertrains”

Stéphane Henriot

  • Program manager: “Storage and Energy Systems for Sustainable Mobility”