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With the adoption of this bill by the committee on April 1, 2026, the legal framework for marine transport powered by vehicles will be clearer. This development responds to a dual challenge: to reduce emissions from maritime transport, and to support an industrial sector that is still in the process of being structured.
A legal definition of a stern drive vessel
Until now, propulsion has remained a technical concept with no precise definition in French law. The new text provides a clear basis.
A wind-powered vessel is now defined as a vessel equipped with devices to harness the energy of the wind for propulsion. The text also clarifies the notion of main propulsion, with a threshold set at at least 50% energy from the wind. This clarification makes it possible to distinguish between vessels genuinely designed for sailing and wind-assist systems installed as a complement on conventional units.
A tax framework to support investment
The law introduces several tax tools to support the development of these vessels. A bonus tax mechanism has been introduced for vessel propulsion equipment. This applies to cargo, passenger and specialized vessels.
In practical terms, the aim is to reduce the cost of investment for shipowners who choose to integrate windvane solutions, whether rigid sails, wings or kite systems.
Integration into energy saving certificates
In a further development, vessels with vellic propulsion are now eligible for energy-saving certificates. Savings made on voyages between French ports, or between a French port and a foreign port, can now be valorized. This creates additional financial leverage for operators. This system brings shipping closer to the logic already in place in the construction and industrial sectors.
Earmarking of maritime carbon financing
The law also provides for the allocation of part of the revenues from the European maritime carbon market to the financing of decarbonization.
A specific fund will support the maritime sector, covering all fleet segments. The aim is clear: to help reduce greenhouse gas emissions in a sector that accounts for around 3% of global emissions. For players in the marine sector, this funding is a key factor in moving from demonstrator to industrial scale.
Incentives for the transport of goods by sail
The text also introduces targeted measures for certain sectors, notably agriculture and the French overseas territories. Specific excise duty arrangements have been introduced for goods transported by sail, with the transport of rum between the overseas territories and mainland France as a concrete example, and these measures are designed to encourage carbon-free shipping on existing routes.
An industry still in the structuring phase
The law comes at a time when the French bike industry is still developing. It is supported by some fifteen equipment manufacturers, several shipyards and around 1,000 jobs. The technologies exist: automated sails, rigid wings, hybrid systems. But scale-up remains limited by the regulatory framework and business models.
This text aims to remove some of these obstacles, by providing visibility for shipowners and investors. The text still has to make its way through the legislative process, with a vote scheduled for April 7, 2026.
