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EIA: trends in downsized engine design leading to increased demand for higher-octane gasoline

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in August and September 2015—the highest share in more than a decade, according to data from the US Energy Information Administration (EIA). Energy Information Administration, Prime Supplier Sales Report. One significant trend is engine downsizing coupled with turbocharging. Earlier post , earlier post , earlier post.).

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Ricardo-led technology demonstrator delivers 72% improved fuel economy over regular Humvee

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Ricardo released an analysis of two years of on-the-ground testing of the Ricardo-engineered Fuel-Efficient Ground Vehicle Demonstrator (FED) showing that, when compared to the US military’s regularly outfitted M1151 HMMWV (“Humvee”), the FED experienced a 72% improvement in fuel economy. Earlier post.)

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Toyota boosts 2023 Corolla Hybrid; starting MSRP $1,250 lower than 2022 Corolla Hybrid

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liter Atkinson-cycle four-cylinder gas engine with two motor-generators through a planetary-type continuously variable transmission. The revised hybrid system boosts output to 134 hp (up from 121) and 156 lb-ft (212 N·m) of torque (up from 146 lb-ft / 200 N·m), while EPA-estimated combined fuel economy reaches 47 mpg.

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New 2019 Toyota Avalon hybrid boosts fuel economy 10% to 44 mpg combined

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Toyota estimates that the 2019 Avalon Hybrid will boost fuel economy by up to 10% over its MY 2018 predecessor, from 40 mpg (5.88 liter four-cylinder Dynamic Force Engine is more fuel efficient, runs cleaner, and is more powerful than previous iterations, and excels at dissipating thermal inefficiencies. The new TNGA 2.5-liter

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Sandia, TUD optical diagnostic helps reduce emissions while improving fuel economy

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Initially, the researchers have focused on the combustion of liquid fuel sprays found in engines, where the extreme pressures and temperatures create an environment that is optically challenging. Imaging flames at temperatures and pressures found in engines can be difficult because of a phenomenon called “beam steering.”

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CMU study shows autonomous vehicle algorithms can have considerable effect on fuel economy; need for new approaches in testing

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Autonomous vehicle driving behavior can have a considerable effect on fuel economy. However, the study also showed that autonomous vehicle (AV) technology following algorithms designed without considering efficiency can degrade fuel economy by up to 3%.

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New Gen5 Honda CR-V gets first turbo, better fuel economy

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The completely redesigned and reengineered 2017 CR-V, going on sale this winter, features the model’s first turbocharged engine and new features and technologies. The 2017 CR-V in EX and higher trims will feature CR-V’s first turbocharged engine, a more powerful and fuel-efficient 1.5-liter CR-V LX trims will be powered by a 2.4-liter