Green transportation

Ammonia will become one of the key green marine fuels

The first ammonia-fuelled two-stroke marine engine is expected to hit the market in 2025. Ammonia is not an obvious choice as fuel, so it has required both research and technical development to get this far.

 MAN ES 4T50ME-X research engine in Copenhagen with ammonia injection equipment installed on one cylinder. The large marine engines, which can be the size of a three-storey building, have proven to provide ammonia with good combustion conditions. Photo: MAN Energy Solutions.


The transportation sector is emitting more and more CO2 from cars, trucks, planes and shipping. To reverse this trend, more of the known solutions and technologies need to come into play.

DTU is a leader in research and education in key technologies such as green electricity, green fuels, electrification of society and battery technology development.

Read more on the green transportation topic page.