Welcome to CIMAC
Welcome to CIMAC

CIMAC actively drives sustainable development.

CIMAC is a leading global non-profit association consisting of National Member Associations and Corporate Members

CIMAC takes a pro-active approach towards zero emissions and zero impact vision.

‏‏‎ ‎Digitalization Strategy Group

Strategy Group as a central discussion platform for digitization in the maritime industry.

‏‏‎ ‎Greenhouse Gas Strategy Group

Visit our GHG Strategy Group page to see the latest publications from the group.

Highlights

CIMAC Townhall on MEPC 84
The 84th session of the IMO Marine Environment Protection Committee (MEPC 84), taking place in London from 27 April to 1 May 2026, provides important orientation for the future of climate action in .. more
Industry bodies ask IACS to harmonize propulsion control changeover rules
CIMAC, One Sea, the Nautical Institute and INTERCARGO have jointly called on the International Association of Classification Societies (IACS) to issue a unified interpretation of class rules .. more
New guideline “Alternative fuels for stationary and marine 4-stroke engines“
CIMAC Working Group 17 (Gas Engines), led by Ingo Wilke and Mirko Lepel, has just released a new guideline “Alternative fuels for stationary and marine 4-stroke engines“. It provides .. more

About us

WELCOME
CIMAC provides a forum for technical interchange with all parties interested in piston engines, gas turbine systems, non-shaftline propulsion systems, automation and controls, system integration and digitalization solutions.
NEWSLETTER
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Technical Database
This database provides a full text service of CIMAC technical publications including CIMAC recommendations.