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It might sound like something from a sci-fi movie about space logistics, but what exactly is biodiesel fuel? The answer is more grounded in our daily lives than you might think. Biodiesel is a renewable and biodegradable alternative to traditional diesel, made from everyday organic materials such as vegetable oils, animal fats, and even recycled restaurant grease. Unlike fossil fuels, it burns cleaner, helping reduce the greenhouse effect that's driving climate change.
With the growing push for alternative energy sources, it's easy to feel overwhelmed by all the information out there. So, what are the real pros and cons of using biodiesel? Is it being used widely today? How safe and sustainable is it?
Biodiesel is created through a process called transesterification, where waste oils are chemically converted into usable fuel. This involves mixing the waste with an alcohol (like methanol or ethanol) and a catalyst, usually sodium hydroxide or potassium hydroxide. The result is glycerol and biodiesel, which can then be blended with regular diesel. For example, B20 means 20% biodiesel and 80% petroleum diesel.
According to Natural Resources Canada, most North American engine manufacturers now support up to a B5 blend, and some even cover up to B20 in their warranties. As more testing and usage occur, these percentages are likely to increase.
Today, biodiesel is the third most popular biofuel in the U.S., powering cars, trucks, buses, and farm equipment. It’s also used in sustainable aviation fuel (SAF), blending with traditional jet fuel to create a cleaner option for air travel.
One of the main benefits of biodiesel is its ability to significantly cut greenhouse gas emissions. According to Renewable Industries Canada, biodiesel can reduce GHG emissions by up to 122% compared to petroleum diesel. It also makes use of waste products that would otherwise end up in landfills, helping protect the environment.
Additionally, the raw materials for biodiesel—such as plant oils and animal fats—are renewable and easier to harvest than fossil fuels. While gasoline may still be cheaper, it's not sustainable in the long run. Fossil fuel extraction is often dangerous and harmful to the environment, making biodiesel a more eco-friendly choice.
However, there are some drawbacks. Biodiesel can gel in cold weather, especially when made from animal fats, potentially clogging filters and fuel lines. But winterization techniques and newer blends are helping to solve this issue. Also, some vehicle manufacturers may void warranties if higher biodiesel blends are used, so it's important to check your vehicle's specifications.
Another consideration is that biodiesel has a slightly lower energy output than regular diesel, leading to a small increase in fuel consumption—up to 5% according to the Government of Ontario. Despite this, many see it as a worthwhile trade-off for environmental benefits.
Switching to biodiesel can help reduce your business’s carbon footprint, whether you're running a fleet of vehicles or managing an airport. Plus, it’s not the only green option—electric vehicles (EVs) are also becoming a major part of the future of transportation.
If you’re looking to embrace greener options, ChargeLab can help. Our software powers EV charging solutions across North America, supporting charger manufacturers, installers, and network operators. Contact us today to learn how we can support your transition to a more sustainable future.