Biodiesel has some clear advantages over SVO: it works in any diesel, without any conversion or modifications to the engine or the fuel system -- just put it in and go. It also has better cold-weather properties than SVO (but not as good as petro-diesel). Unlike SVO, it's backed by many long-term tests in many countries, including millions of miles on the road. It has as well many advantages over petro-diesel.
• Biodiesel substantially reduces unburned hydrocarbons, carbon monoxide and particulate matter in exhaust fumes
• Sulphur dioxide emissions are eliminated (biodiesel contains no sulphur)
• Biodiesel is plant-based and adds no CO2 to the atmosphere. As a sustainable energy source it merely recycles carbon, with the help of the sun and photosynthesis.
• The ozone-forming potential of biodiesel emissions is nearly 50% less than conventional diesel fuel
• Nitrogen oxide (NOx) emissions could slightly increase but can be reduced to well below conventional diesel fuel levels by adjusting engine timing and other means
• Biodiesel can be used in any diesel engine
• Fuel economy is about the same as conventional diesel fuel
• Biodiesel has a high cetane rating, which improves engine performance: 20% biodiesel added to conventional diesel fuel improves the cetane rating 3 points, making it a Premium fuel
• Biodiesel can be mixed with ordinary petroleum diesel fuel in any proportion, with no need for a mixing additive.
• Even a small amount of biodiesel means cleaner emissions and better engine lubrication
• Biodiesel can be produced from any fat or vegetable oil, including waste cooking oil.
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