Meet CARB Commercial Harbor Craft Regulation requirements with Neste MY Renewable Diesel™

Neste MY Renewable Diesel is a next-generation premium R99 fuel that meets CARB Commercial Harbor Craft (CHC) regulation requirements and other clean air regulations while delivering superior performance. Our fuel is made from renewable sources such as waste animal fats and vegetable oils, with lifecycle GHG emissions up to 75% lower than traditional diesel fuel. Neste MY provides a renewable and sustainable solution for the most demanding operations, including commercial shipping companies, tugboat operators and ferry fleets operating in regulated waters and ecologically sensitive areas.

Harbor craft boat wake at sea

Evolving an Industry

The purpose of CARB’s CHC regulation is to reduce diesel particulate matter (PM), oxides of sulfur (SOx), oxides of nitrogen (NOx), and greenhouse gas (GHG) emissions to protect the environment and public health. The regulation, effective January 1, 2023, applies to on-water diesel fuels used in California harbors, ports, navigable waterways, marinas and marine navigation districts. CARB specifies that all diesel powered harbor craft must use renewable diesel exclusively, at concentrations of R99 or R100.

The choice is clear – Neste MY Renewable Diesel is the first R99 fuel to demonstrably meet all CARB requirements, including a flash point of 140ºF or greater.


Harbor craft boat wake at sea
 Two glass bottles compare fossil diesel (yellow coloration) and renewable diesel (clear).

An Ideal Solution with Superior Performance: Neste MY Renewable Diesel

Neste MY Renewable Diesel is a clean-burning fuel that not only meets the new regulatory requirements but also offers superior performance by delivering higher cetane values (70+ Cetane) even in cold temperatures as noted by CARB. It provides excellent performance in engines operating in damp environments or under arduous working conditions. Moreover, Neste MY Renewable Diesel meets ASTM D975 and EN 15490 specifications in compliance with OEM standards.

See how Neste MY is helping Hornblower achieve its sustainability goals


Neste MY Renewable Diesel: Product Factsheet

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*Lifecycle greenhouse gas emission reductions compared to fossil diesel and based on current feedstock pathways. Calculation method complies with the LCFS CA-GREET 2.0
**Carbon emissions from the use of renewable diesel are zero, as the amount of biobased carbon dioxide released during combustion is equal to the amount previously absorbed by the renewable raw material.