2 articles
Stefan Wolff is an aerospace engineer and aviation writer who covers propulsion systems, aircraft certification, and the decarbonisation of aviation. He has worked in both conventional and alternative propulsion programmes and writes about the regulatory, technical, and commercial realities of transitioning aviation to cleaner energy sources.
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Engineering
Explainers
Why Airport Runway Lighting Systems Are More Complex Than They Look
Stefan Wolff
July 9, 2026
Energy & Clean Tech
Transportation & Mobility
How Electric Aircraft Certification Works and What's Slowing Commercial Adoption
Stefan Wolff
July 7, 2026