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Is Amsoil's mpg claim real? Energy losses in engines explained.

Impact of Lubricants on Diesel Fuel Efficiency: An In-Depth Analysis In this video, we delve into the role of lubricants in improving fuel efficiency for diesel engines, guided by insights from a recent podcast episode with Paul Segal of ExxonMobil. We explore key concepts such as HTHS and bulk viscosity, the use of synthetic oils, and their measurable impact on fuel economy. Notably, we address an intriguing comment about Amsoil's case study claiming a notable 8.2% fuel efficiency improvement, contrasting it with more conservative estimates usually observed. By examining the distribution of fuel energy in internal combustion engines and the relevance of lubricant-induced friction loss, we uncover why such dramatic improvements might be overstated. Additionally, we compare different study methodologies and real-world implications, emphasizing the challenges of achieving substantial fuel savings solely through lubricant changes. Ideal for fleet operators and anyone interested in engine efficiency, this video provides a comprehensive look at how lubricants can optimize diesel engine performance. 00:00 Introduction to Diesel Engine Oils and Fuel Efficiency 00:36 The Impact of Lubricants on Fuel Economy 01:38 Analyzing Fuel Consumption and Efficiency 03:36 Understanding Engine Friction and Fuel Savings 04:17 Lubricant Training and Certification 04:47 Comparing Fuel Economy Studies 06:35 The Role of Deposits in Fuel Efficiency 08:18 Case Studies: Mobil vs. AMSOIL 10:20 Conclusion: Key Takeaways on Fuel Economy