Maritime engine without diesel receives international certification and can deliver pure hydrogen to ships with power up to 2,670 kW, without CO₂, without sulfur, without soot, and with exhaust composed of water vapor.

Written by Fabio Lucas Carvalho

Published on 18/06/2026 at 12:05

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Marine engine powered entirely by hydrogen receives certification from Lloyd’s Register and advances as an alternative for industrial vessels, with power from 900 kW to 2,670 kW, operation without fossil fuels, and exhaust formed by water vapor mixed with atmospheric air

A marine engine powered entirely by hydrogen has received a Type Approval Certificate from Lloyd’s Register, following an evaluation of operational performance, safety, and mechanical reliability. The certification was granted to BeHydro and validates a technology aimed at industrial maritime transport.

The equipment uses a spark ignition system and operates without conventional fossil fuels during navigation. By dispensing with a secondary fuel source, the project reduces the number of subsystems required on board.

The architecture prevents the generation of carbon compounds in combustion. For fleet operators, the marine engine emerges as a mechanical option to replace propulsion systems associated with high emissions.

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Power meets different uses in the naval sector

The certified line covers power from 900 kilowatts to 2,670 kilowatts. This range allows application in different maritime segments, both as the main propulsion and in conjunction with electric generators for auxiliary onboard power.

Lloyd’s Register considers independent certification an important element to give confidence to shipowners and operators about emerging fuel technologies. The validation confirms expected technical parameters for safety, performance, and reliability.

The management of ABC Engines states that the formal certification validates the technological structure of the line for shipowners on a global scale. The units can also be adapted for industrial uses outside the standard maritime environment.

Combustion generates water vapor and air

The systems were designed to tolerate small impurities in the incoming hydrogen gas. This feature allows integration into stationary power generation installations and land-based railway networks.

The combustion cycle does not release carbon dioxide, nitrogen oxides, sulfur oxides, or particulate soot. The resulting exhaust is formed by water vapor mixed with atmospheric air.

The manufacturing dispenses with lithium, zinc, cobalt, platinum, and rare earths. The project uses traditional engineering to extend the lifespan of components, simplify maintenance, and reduce operational costs and downtime.

The certification of the marine engine opens a debate on how shipowners, operators, and industries can incorporate hydrogen into real operations, maintaining safety, reliability, and cost control. Do you believe this technology can gain space on ships in the coming years?

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Maritime engine without diesel receives international certification and can deliver pure hydrogen to ships with power up to 2,670 kW, without CO₂, without sulfur, without soot, and with exhaust composed of water vapor.

Marine engine powered entirely by hydrogen receives certification from Lloyd’s Register and advances as an alternative for industrial vessels, with power from 900 kW to 2,670 kW, operation without fossil fuels, and exhaust formed by water vapor mixed with atmospheric air

Power meets different uses in the naval sector

Combustion generates water vapor and air

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Maritime engine without diesel receives international certification and can deliver pure hydrogen to ships with power up to 2,670 kW, without CO₂, without sulfur, without soot, and with exhaust composed of water vapor.

Marine engine powered entirely by hydrogen receives certification from Lloyd’s Register and advances as an alternative for industrial vessels, with power from 900 kW to 2,670 kW, operation without fossil fuels, and exhaust formed by water vapor mixed with atmospheric air

Power meets different uses in the naval sector

Combustion generates water vapor and air

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The river that “dies” in the desert never reaches the sea and yet gives life to one of Africa’s largest natural refuges in a truly impressive way.

Libya built over 4,000 kilometers of underground pipelines to bring water from the Sahara to coastal cities in a project that the government itself called the Eighth Wonder of the World.

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