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

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Since 2013, the share of premium gasoline in total motor gasoline sales in the US has steadily increased to 11.3% 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.

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New Volkswagen Polo BlueGT with cylinder deactivation offers gasoline engine fuel economy of up to 52 mpg US

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liter gasoline-fueled TSI of the Polo BlueGT. This combination of efficiency and dynamic performance is enabled by the systematic interplay of ACT, downsizing (reduced engine displacement plus direct injection and charging) and BlueMotion Technology (Stop/Start system, battery regeneration). The system was realized with the new 1.4-liter

MPG 257
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Ford study suggests GDI engines can meet coming California and US PM emissions standards over 150k miles; more work to be done

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However, unlike conventional gasoline engines, gasoline direct injection engines produce particulate matter, as do diesels, and emission controls will become an issue the technology must address as standards for particle mass tighten, and also as standards for particle numbers emerge. Earlier post.) and fuel properties.

Standards 246
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Ricardo Launches Consortium to Evaluate Lubricant Challenges of Future Low Carbon Engine Technologies

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The work of the consortium will be structured into a series of modules, the first of which will focus on the effect of downsized light duty gasoline and diesel engine technologies on lubricant soot levels and engine wear. The drive towards thinner, lower viscosity lubricants for reduced friction.

Engine 150
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Ford to bring 20 new engines and transmissions to China and improve fleet fuel economy by more than 20% by 2015; producing the new 1.0L EcoBoost in China

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The integration of three advanced technologies—turbocharging, direct injection and Ti-VCT—into the EcoBoost powertrain delivers significant customer benefits: Optimized engine efficiency: delivers up to a 20% improvement in fuel economy, 15% reduction in carbon dioxide emissions compared with conventional gasoline engine.

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Researchers propose evaluating alt fuel efficiency based on energy rather than volume; impact of ethanol on vehicle efficiency and GHGs

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Relative changes in vehicle energy efficiency (VEE) (km/MJ) on ethanol/gasoline blends over those on gasoline for different blending levels. Several recent highly cited LCAs that have incorporated vehicle efficiency differences between gasoline and ethanol/gasoline blends could potentially be misleading. Click to enlarge.

Fuel 210
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Lexus NX compact utility arrives in North America

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liter Atkinson-cycle gasoline engine, which brings the brand’s number of hybrid offerings to six—the most among luxury brands. liter turbocharged gasoline engine has a combination water-cooled cylinder head, integrated exhaust manifold and twin-scroll turbocharger. A dual exhaust system reduces backpressure and noise.