B20 blends, which contain 20% of biodiesel is a common blend which advantageously balances cost and emissions, and can generally be used in engines with no modifications. Blends with varying proportions of biodiesel are available. It is most often blended with diesel to reduce net CO₂ and other polluting emissions. Biodiesel and a closer look at blends that can be advantageousīiodiesel is a renewable fuel made by esterifying fats such as vegetable oil, animal fats or used cooking oil – the same feedstock that can also be used to produce HVO.

Additionally, the use of HVO is limited by the availability of feedstock. HVO, however, remains more expensive than diesel, particularly where there are no government subsidies and incentives. Tailpipe emissions are also cleaner than those from diesel. Net CO₂ emissions for HVO are typically 70% lower than diesel, depending on how the fuel is produced and distributed, as the renewable feedstock seed to make HVO absorbs carbon when growing. It can be used in select diesel engines without modification, and used as a ‘drop-in’ replacement for diesel, it performs equally well. Hydrotreated vegetable oil (HVO), or ‘renewable diesel’, is made from vegetable oils and animal fats and oils. Renewable diesel, advantages and disadvantages As such, regulations on the use of diesel are tightening in countries around the world. Tailpipe emissions also include NOx and particulates, which can negatively affect air quality. However, diesel is a fossil fuel made from crude oil and, when burned, releases greenhouse gases. Refueling is easy as the infrastructure has been in place a long time and is universally available. Diesel engines just keep on going, with little maintenance. It is relatively cheap, widely available and performs well.

Diesel – why has it been popular and what has changed?ĭiesel has been the fuel of choice for decades, with good reason. Emission reductions across alternative fuels should also be considered when making a selection.

With concerns about the climate rising, businesses, shareholders and lawmakers are looking at replacement options for diesel in vehicles and power generation applications. Diesel is the fuel of choice for a range of products including generator sets and engines used in marine, rail and construction and mining equipment, but there are alternatives.

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