Renewable fuels are derived from renewable resources such as planted crops (soy, palm, rapeseed, etc.), used cooking oil, animal fat, biomass, algae, and others. Renewable fuels reduce the carbon footprint of diesel engines on a Life Cycle Analysis basis. Renewable fuels that are derived from fats and oils may be processed through hydrotreating. The result is a high paraffinic renewable diesel (RD), also called hydrotreated vegetable oil (HVO), that can be used in diesel engines.
Biomass and syn gas can be converted into liquid fuels through various processes and their products are typically know as biomass-to-liquid (BTL) or gas-to-liquid (GTL). Depending on the original feedstock these products maybe renewable. BTL, GTL and HVO have similar chemistries and performance specifications, and all can be used in diesel engines.
Note that low carbon intensity and renewable fuels covered in this paper are different than biodiesel fuel.
Low carbon intensity fuels are typically paraffinic hydrocarbons, hence these fuels, whether at 100% or blended, can be used as drop-in replacements for diesel fuel. These fuels have many benefits:
In order to be applicable for Perkins diesel engines, Perkins recommends that renewable and low carbon intensity fuels meet the latest version of any of the following specifications:
Renewable and low carbon intensity fuels that meet the requirements listed above can be used at:
* see your engine’s Operation Maintenance Manual for specific biodiesel limits on your engine
Here is Perkins’ guidance and potential impacts for the use of renewable and low carbon fuels according to the specifications detailed above:
The use of fuels with low carbon footprints supports Perkins’ sustainability initiatives. Perkins is continuously following the development of renewable and low carbon intensity fuels, and is involved in the development of appropriate specifications to ensure the successful application of these fuels in Perkins engines.
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