Sustainability and Environment
18 November 2025
NLR People: Kylie Knepper, Right at the forefront of innovations in aviation
In the series ‘NLR People’, we show you who the experts at the Royal Netherlands Aerospace Centre are, what drives them, and what they are working on behind the scenes. In this episode: Kylie Knepper, R&D Engineer Aeroacoustics at the Vertical Flight and Aeroacoustics department.
21 October 2025
R&D case: Innovative airframe component designs for reducing aircraft noise
Project: INVENTOR (Innovative design of installed airframe components for aircraft noise reduction)
15 October 2025
NLR and DLR publish framework for assessing aviation’s environmental footprint
Presented at the EASN International Conference in Madrid, the two aerospace research centres NLR and DLR published a joint guidance for Life Cycle Assessment in the Air Transport System. This uncovers the fundamental gap between in-flight emissions and a comprehensive view of the environmental impact of flying.
03 September 2025
Maiden flight of a drone on liquid hydrogen, a Dutch first
The HYDRA II, an innovative hydrogen-powered drone of Royal NLR, has made its first successful flights using liquid hydrogen as a fuel carrier. This marks an important step towards developing more sustainable aviation by making hydrogen technology suitable for commercial applications.
29 August 2025
R&D case: Optimising disruptive airframe-propulsion integration concepts
Project: ENODISE (Enabling optimised disruptive airframe-propulsion integration concepts)
24 June 2025
R&D case: Breakthrough fuel cell technologies for aircraft
Project: BRAVA (Breakthrough fuel cell technologies for aviation)
23 June 2025
VÆRIDION and NLR want to accelerate research and development of short-haul electric aircraft
VÆRIDION, a Munich-based aviation start-up developing 100% electric aircraft for regional travel, has signed a Memorandum of Understanding (MoU) with NLR. The collaboration aims to advance research in sustainable aviation and support the introduction of VÆRIDION’s all-electric Microliner aircraft.
28 May 2025
NLR and E-Flight team up for electric flying
Electric flight offers promising prospects for aviation, whether using batteries or liquid hydrogen as an energy carrier. During a joint flight, Michel Peters of NLR and Evert-Jan Feld of E-Flight Academy reaffirmed their partnership to conduct further research in this area.