Exploring the Impact of Al<sub>2</sub>O<sub>3</sub> Additives in Gasoline on HCCI-DI Engine Performance: An Experimental, Neural Network, and Regression Analysis Approach.

ACS Omega · 2023 · PMC10734034 · PMID 38144067

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a clear trendno p-value reported

A clear trend can be discerned from the data: as the engine load intensifies, smoke emissions from the biodiesel engine see a proportional increase.

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an increasing trendno p-value reported

In essence, while smoke emissions of biodiesel exhibit an increasing trend with the load, strategic interventions in the form of fuel additives and the incorporation of Al 2 O 3 can significantly mitigate this challenge, fostering a cleaner and more environmentally friendly combustion process.

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a notable trendno p-value reported

In our comprehensive study, a notable trend was observed regarding the usage of waste cooking oil (WCO) biodiesel: as the production of this biodiesel increased, there was a concomitant rise in NOx emissions.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.