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Petrobras begins testing performance of B24 bio bunker fuel blend

Firm is testing the biofuel on board a vessel chartered by Transpetro, located at the Rio Grande Terminal; vessel has been filled with around 573,000 litres of biofuel bunkers.

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Brazilian state-controlled oil and gas producer Petrobras on Wednesday (28 June) said it has begun testing the performance of a B24 bio bunker fuel blend. 

It is being used to fuel a ship, located at the Rio Grande (RS) Terminal and chartered by Transpetro. The vessel has been filled with around 573,000 litres of fuel. 

Over the next few months, the ship’s data will be monitored, including consumption, power produced and distance travelled, along with how the fuel performs in relation to the filters and purification systems.

The estimated percentage reduction in greenhouse gas emissions would be around 17% by volume, compared to standard mineral bunker fuel, based on a preliminary analysis of the complete lifecycle of the product.

“It is the second test by the company on this type. However, this time, the percentage of biodiesel is higher than in the first test, when the percentage was 10% by volume. The renewable portion of the fuel was produced from 30% animal fat (tallow), by volume, plus 70% from soybean oil,” the firm said in a statement on its website.

According to Claudio Schlosser, Petrobras’ Director of Logistics, Commercialisation and Markets, the progress with the testing of bunker fuel with renewable content shows how the company is taking a clear position.

“We are currently investing in new products that will bring environmental benefits for society. The results from the first test, where we mixed bunker fuel with 10% renewables, indicated that there was scope to increase the percentage. Now that 24% of the fuel is biodiesel, we can show that the energy transition is definitely on Petrobras’s agenda,” Schlosser said. 

Maurício Tolmasquim, the Director of Energy Transition and Sustainability, added: “This test is increasing the number of options we can offer our customers that will allow them to achieve decarbonisation and diversify our product portfolio. The marine fuel industry is looking for quick wins that we can provide.”

For Carlos Travassos, Petrobras’ Director of Engineering, Technology and Innovation, advanced biofuels stand out as one of the best options to replace fossil fuels in the maritime transport industry, especially long haul,  since the issues with electrification in this area are more significant.

“In the coming decades, these biofuels could provide an important competitive advantage for Brazil, not just because we have the land and agricultural production to supply them, but also due to Petrobras’ proven ability, through its Research Center, to develop technology that makes the most of the qualities of the region and utilises existing infrastructure,” he said. 

According to Sérgio Bacci, the president of Transpetro, the company is supportive of Petrobras in its development of a more sustainable generation of products.

“Transpetro is working with Petrobras to test the bunker fuel with renewable content. We are working to make these unprecedented operations possible in Brazil because we are committed to working with our parent company to establish the energy transition for our future. Transpetro excels in innovation and is the only oil and derivatives logistics company in all of Latin America that is capable of providing sustainable solutions like this.”

The formulation is based on a mixture of mineral bunker fuel (as specified under ANP resolution) and biodiesel produced by Petrobras Biocombustível (PBio) at the Montes Claros Plant (MG). 

Rodrigo Pimentel Leão, the president of Pbio, said: “The current test is testimony to the ability of our different areas to work together. Pbio has shown that it is committed to developing products with less carbon, by producing the biodiesel for the vessel.”

The first test carried out by Petrobras lasted 40 days, between December 2022 and February 2023. During this time, the vessel, Darcy Ribeiro, owned by Transpetro, used around 303,000 litres of a mixture of bunker fuel and 10% biodiesel, by volume. The results did not indicate any abnormalities in the running of the engine, nor in the fuel treatment systems (centrifuges and filters).

The operational parameters, the fuel quality analysis and the stability of the mixture indicated that the product was viable and there was scope for further testing of greater percentages of renewables with the bunker fuel.

Related: Petrobras conducts Brazil’s first biofuel blend bunkering on “Darcy Ribeiro”
Related: Petrobras refinery breaks production record of VLSFO bunker fuel for the second month
Related: Petrobras Q1 report highlights increased marine fuels activity in Asian market

 

Photo credit: Shaah Shahidh on Unsplash
Published: 3 July, 2023

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Alternative Fuels

Yang Ming orders six LNG dual-fuel, ammonia-ready containerships from Hanwha Ocean

Each of the six new vessels will have a capacity of up to 13,650 TEU and feature LNG dual-fuel propulsion and Ammonia Fuel Ready specifications.

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Yang Ming orders six LNG dual-fuel, ammonia-ready containerships from Hanwha Ocean

Taiwanese shipping firm Yang Ming Marine Transport Corporation (Yang Ming) and South Korean shipbuilder Hanwha Ocean on Wednesday (2 September) signed a shipbuilding contract for six 13,000 TEU class LNG dual-fuel container vessels. 

The contract was signed by Dr. Chuck Tsai, Chairman of Yang Ming, and Mr. Charles Kim, CEO of Hanwha Ocean. The vessels are scheduled for delivery between 2028 and 2029. 

They will complement Yang Ming’s existing fleet of 10,000+ TEU vessels and serve as key vessels on East-West services, with deployment flexibility across trade lanes connecting Asia with the East and West Coasts of North America, South America, and the Mediterranean. 

Each of the six new vessels will have a capacity of up to 13,650 TEU and feature LNG dual-fuel propulsion and Ammonia Fuel Ready specifications.

“As Yang Ming transitions toward net-zero emissions, LNG provides a relatively mature and economically viable alternative fuel solution, capable of reducing greenhouse gas emissions by approximately 20%,” the company said. 

“At the same time, ammonia can serve as a carbon-free fuel by utilising converted LNG storage facilities, while offering relatively lower conversion costs and comparatively well-developed supply chains and infrastructure. The Ammonia Fuel Ready design will therefore provide Yang Ming with greater flexibility in responding to increasingly stringent international regulations on greenhouse gas emissions.”

In addition, the vessels will be equipped with Type B LNG fuel tanks with a design pressure of 1.0 bar to enhance the safety and efficiency of LNG operations, together with a range of energy-saving technologies, including Wind Shields, Rudder Bulbs, Pre-Swirl Stators, and Shore Power Systems. Smart ship technologies and cybersecurity protection features will also be incorporated to enhance operational efficiency, safety, and reliability while effectively reducing fuel consumption and greenhouse gas emissions.

Deliveries under Yang Ming’s next-generation fleet optimization plan commenced earlier this year. By 2030, a total of 24 new vessels are expected to enter service. 

This includes 18 LNG dual-fuel vessels—comprising five 15,500 TEU, seven 16,000 TEU, and the six 13,000 TEU vessels under this contract—alongside six 8,000 TEU methanol dual-fuel-ready ships. 

 

Photo credit: Yang Ming Marine Transport
Published: 4 September, 2026

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Alternative Fuels

LR, China’s MARIC unveil tanker concept ready for three future bunker fuels

Both secured AiP for a new 114,000 DWT product and crude oil tanker designed to accommodate future conversion to LNG, methanol or ammonia.

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LR, China’s MARIC unveil tanker concept ready for three future bunker fuels

Lloyd’s Register (LR) and the Marine Design and Research Institute of China (MARIC) on Thursday (3 September) have secured Approval in Principle (AiP) for a new 114,000 DWT product and crude oil tanker designed to accommodate future conversion to LNG, methanol or ammonia.

Announced at SMM 2026, the concept addresses one of the biggest investment challenges facing shipping today: the need to develop vessels and capabilities that can support a range of alternative fuel options and pathways as technologies, infrastructure and regulations evolve.

While LNG is already a mature fuel pathway, methanol and ammonia remain at an earlier stage of development, with questions around global fuel availability, infrastructure development, economics and long-term adoption.

The 114,000 DWT tanker concept has been designed as a product and crude oil carrier that can accommodate future conversion to LNG, methanol or ammonia as technologies, regulations and fuel supply chains mature. By incorporating conversion readiness at the design stage, the concept aims to reduce future retrofit complexity and provide owners with greater confidence when planning long-term fleet investments.

The design concept was reviewed against LR’s July 2026 class rules and regulations, including requirements relating to ships using gases and other low-flashpoint fuels, alongside relevant IACS Common Structural Rules for oil tankers. Final classification and statutory approval remain subject to full compliance with all applicable rules and regulations.

Theo Kourmpelis, Global Business Director for Tankers, Lloyd’s Register, said: “Shipowners are being asked to make major investment decisions today despite continued uncertainty around which fuels will dominate in the decades ahead. Alternative fuel solutions each offer potential pathways to compliance, but fuel infrastructure, regulation and economics continue to evolve at different speeds around the world.

“Designs that preserve flexibility will be critical in helping owners manage risk while preparing for multiple future scenarios.”

Si Nan, Marine & Offshore Marketing Department Vice Director, MARIC, said: “As the industry explores different decarbonisation pathways, shipowners need vessel designs that can adapt alongside technological and regulatory developments. This concept was developed specifically to provide greater fuel flexibility and long-term resilience, allowing owners to respond to changing market requirements without being locked into a single fuel strategy.

“Receiving Approval in Principle from Lloyd’s Register is an important milestone that validates the design concept and supports its future development.”

 

Photo credit: Lloyd’s Register
Published: 4 September, 2026

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Alternative Fuels

DNV: Alternative-fuelled vessel orders hit highest monthly level since October 2024

LNG-fuelled vessels accounted for the vast majority of August activity while the strong summer performance marked a significant acceleration in ordering activity after a relatively slow start to the year.

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DNV: Alternative-fuelled vessel orders hit highest monthly level since October 2024

Latest data from classification society DNV’s Alternative Fuels Insight (AFI) platform alternative-fuelled vessel ordering was strong in August, with 52 new vessels added to the platform.

This is the highest monthly total since October 2024 and follows another active month in July, when 47 vessels were added to the database.

LNG-fuelled vessels accounted for the vast majority of August activity, with 46 orders recorded. The container segment led the way with 30 orders, while the car carrier segment contributed a further 12 LNG-fuelled vessels. In addition, four ethanol-fuelled bulk carriers and two hydrogen-powered bulk carriers were added during the month, as well as one LNG bunker vessel.

The strong summer performance marked a significant acceleration in ordering activity after a relatively slow start to the year. In total, 242 alternative-fuelled vessel orders have been placed in the first eight months of 2026, representing a 27% increase compared with the same period in 2025.

LNG remains the dominant fuel choice, accounting for 63% of all alternative-fuelled vessel orders registered so far this year. Container vessels represent the largest share of these LNG orders (59%), followed by car carriers (30%).

Jason Stefanatos, Global Decarbonization Director at DNV Maritime, said: “The past two months have been particularly strong for alternative-fuelled vessel ordering, with August recording the highest monthly total we’ve seen since October 2024. This has helped lift year-to-date orders to a level well above the same period last year.

“LNG remains the leading fuel choice, driven largely by activity in the container and car carrier segments. These sectors have been among the earliest adopters of alternative fuels, supported by predictable liner operations and increasing demand from cargo owners to reduce emissions across supply chains. 

“For many owners, LNG offers a combination of emissions reductions, fuel availability and future flexibility while the longer-term fuel landscape continues to evolve. 

“At the same time, the latest figures include orders for ethanol- and hydrogen-fuelled vessels, highlighting that owners continue to explore a range of decarbonization pathways. Different segments are making different fuel choices, but the overall level of activity demonstrates continued investment in lower-emission shipping.”

Screenshot 2026 09 04 at 12.29.26 PM Screenshot 2026 09 04 at 12.29.36 PM

 

Photo credit: DNV
Published: 4 September, 2026

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