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

Green Car Congress

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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NRC report finds significant number of near-term technologies could greatly reduce fuel consumption in passenger cars

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The report, Assessment of Technologies for Improving Light Duty Vehicle Fuel Economy estimates the potential fuel savings and costs to consumers of available technology combinations for three types of engines: spark-ignition gasoline, compression-ignition diesel, and hybrid.

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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.

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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.

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2014 Sprinter van for US standard with new 2.1L diesel; new driver assistance features

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Since 2010, all Sprinters in the US have been powered by BlueTEC diesel engines, marking the first use of BlueTEC technology, with its selective catalytic reduction (SCR) exhaust aftertreatment system, in the commercial van market here. The two overhead camshafts actuate 16 intake and exhaust valves. with a variable delivery rate.

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NHTSA Modeling and Technology Projections Underlying the Proposed CAFE Target of 34.1 mpg by MY 2016

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The agencies also reviewed the technology input assumptions identified in EPA’s July 2008 Advanced Notice of Proposed Rulemaking and 2008 Staff Technical Report and supplemented their review with updated information from more current literature, new product plans and from EPA certification testing. Transmission technologies.

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New Ford Mondeo to offer new high-power diesel, 1L EcoBoost, hybrid model, pedestrian detection technology

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EcoBoost gasoline engine option and a new hybrid option. The new high-powered TDCi diesel engine follows the downsizing trend we’ve led with our EcoBoost petrol technology. liter TDCi variants feature a revised engine block, and new cylinder-head and fuel injection designs, and Ford’s lean NO x trap exhaust after-treatment system.

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