Liebherr’s fuel injection portfolio strategy for future fuels

One of society’s major goals for the coming years and decades is to reduce greenhouse gas (GHG) emissions. To reduce emissions in on- and off-highway applications, Liebherr develops injection components for greenhouse gas-neutral combustion engines. This paper provides an overview of Liebherr’s portfolio strategy regarding fuel injection solutions that run on zero-emission fuels. The requirements of different applications as well as infrastructural and logistical limits will require the use of different fuels in the future to achieve the above-mentioned goals. Liebherr has been investigating the possibilities of eFuels and methanol since 2017 and started development activities for hydrogen injection solutions in 2019. For hydrogen, the market demands both direct injection (DI) and port fuel injection (PFI) solutions. Liebherr’s DI and PFI solutions are based on a common design concept and platform to exploit synergies in product design. In addition to hydrogen, its derivatives are also needed as potential fuels, especially in shipping and mining. This leads to the demand for fuel-independent engine platforms. Due to the modular approach of the hydrogen injector platform, ammonia and methanol are investigated in addition to hydrogen. This article gives insights into the first component investigations.