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Nanoparticle-modified diesel reduces specific fuel consumption by 7%

In a study in the journal Fuel, researchers in India report that diesel modified with nanoparticles of aluminum (Al), iron (Fe) or boron (B) reduced specific fuel consumption by up to 7% compared with standard diesel. These “nano-fuels” showed reduced ignition delay, and longer flame sustenance. Emissions of CO and hydrocarbons were reduced, however NOx marginally increased.

To study burning characteristics, engine performance and emission parameters, the team formulated the test fuels by sonicating nanoparticles of aluminum (A1), iron (F1) and boron (B1) in base diesel for use in a single-cylinder Compression Ignition (CI) engine.

These fuels showed reduced ignition delay, longer flame sustenance and agglomerate ignition. Study of engine performance at higher loads revealed drop in peak cylinder pressures and reduction of 7% in specific fuel consumption for A1 as compared to diesel.

Improved combustion rates raised exhaust gas temperatures by 8%, 7% and 5% leading to increased brake thermal efficiencies by 9%, 4%, and 2% for A1, F1, and B1 respectively, as compared to diesel at maximum loading conditions. Volumetric reduction of 25–40% in CO emission, 8% and 4% in hydrocarbon emission was measured when the engine was fueled with A1 and F1 respectively as compared to emissions from diesel. However, elevated temperatures resulted into marginal rise in NOx emission.

—Mehta et al.


  • Rakhi N. Mehta, Mousumi Chakraborty, Parimal A. Parikh (2014), “Nanofuels: Combustion, engine performance and emissions,” Fuel, Volume 120, Pages 91-97 doi: 10.1016/j.fuel.2013.12.008



Would the additives cost more or less than the value of 7% fuel saved?

Would there be a NET reduction in pollution and GHG?

Effects on ICEs durability?


What are the health effects of Aluminium oxide dust inhallation?


Im not satisfied by this article, im mixed. Does it cost less than pure diesel and is it less polluting overall. Please contact the authors of this experiment and do a complete article accordingly. Im reading here on a regular basis and i don't like to be lauphed at with short incomplete obscur experiments. There is an infinite ways to be more greener and more efficient and also cheaper methods for anything. Im looking for something to buy or sale for increasing the value of my driving ride(dodge neon 2005). If for doing that mean to replace my neon with this diesel , i would like to know it right now.

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