Articles by

Nicolas Kiefer, MAHNOA

Nicolas Kiefer is the founder of MAHNOA, a French consultancy firm based in Nîmes. Born in France, he is fluent in both French and English. With more than 20 years of experience advising companies on ADR regulations in Europe and North Africa, he is a recognized expert in European regulations governing the transport and storage of hazardous materials. He is also an active member of the International DGSA association - IASA.

Transport
ADR 1.1.4.7 explained: When U.S. DOT gas cylinders are accepted in Europe- and When They Are Not

ADR 1.1.4.7 allows limited use of U.S. DOT gas cylinders in Europe, but strict conditions apply. Learn how ADR rules differ from U.S. HMR requirements and what companies must know to avoid compliance and logistics issues in transatlantic hazardous materials transport.

Nicolas Kiefer, MAHNOA · Nov 13, 2026 · 7 min read

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Nicolas Kiefer, MAHNOA

ADR 1.1.4.7 explained: When U.S. DOT gas cylinders are accepted in Europe- and When They Are Not

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