B24 Marine Biofuels - Thailand’s First Mover

In this edition of Executive Talk, we are honored to speak with Mr. Anuwat Rungruangrattanagul, Chief Executive Officer of Bangchak Sriracha Public Company Limited (BSRC). He shared valuable insights on the development of B24 Marine Biofuels, with BSRC pioneering as Thailand’s first producer and distributor, and how the Thai energy sector can pursue a truly sustainable path forward.
Mr. Anuwat Rungruangrattanagul
Chief Executive Officer of Bangchak Sriracha Public Company Limited (BSRC)

- What is B24 Marine Biofuels, and why is it considered a significant innovation in marine energy?
- B24 Marine Biofuels is a marine fuel comprising 24% Used Cooking Oil Methyl Ester (UCOME) blended with 0.5%S Very Low Sulphur Fuel Oil (VLSFO). It is distinguished by its low-emissions profile and serves as a bio-based alternative that can directly replace fossil-derived marine fuels. By repurposing used cooking oil within a circular economy framework, BSRC not only helps reduce dependence on fossil fuels but also lowers greenhouse gas emissions from the very beginning of the production process.
- How does B24 Marine Biofuels perform in terms of certification, market readiness, and future ambitions?
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BSRC’s B24 Marine Biofuels is the first marine fuel in Thailand to be certified under ISO 8217, the international standard for marine distillate fuels, ensuring safe use in ship engines without requiring any modifications to engine or existing fuel infrastructure. It also holds the International Sustainability and Carbon Certification (ISCC EU), confirming its compliance with global sustainability standards and readiness for international markets. Our first customer was NYK Line, a leading global shipping company from Japan. Their trust in B24 Marine Biofuels reflects confidence in both the product’s quality and its commercial viability.
Historically, most ocean-going vessels used heavy fuel oil due to its lower cost compared to diesel. However, fuel oil emits significantly more carbon dioxide than diesel. As the world confronts climate challenges, the shipping industry is being pushed to adopt cleaner energy solutions, especially in Europe, where environmental regulations are increasingly stringent. B24 to B30 fuels present a highly practical, feasible, and cost-effective alternative, especially when compared to options like installing sulphur scrubbers or using specialized ultra-low-sulphur marine fuels.


- Apart from B24, Bangchak Group also offers other fuel products that address environmental concerns. Could you share more about what other products we have?
- We continue to advance our biofuel development to support diverse modes of transport – not just maritime but also land and air. This includes B100 biodiesel for land transport and Sustainable Aviation Fuel (SAF) from its Phra Khanong Refinery, which is also capable of producing Renewable Diesel, or Green Diesel. These efforts underscore Bangchak’s strong commitment to delivering clean energy solutions that support sustainable mobility across land, sea, and air.
Mr. Anuwat Rungruangrattanagul
Chief Executive Officer of Bangchak Sriracha Public Company Limited (BSRC)