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SwRI develops D-EGR demonstrator highlighting fuel-efficient, cost-effective engine; 10% and above fuel economy improvements

Green Car Congress

Southwest Research Institute (SwRI) has built a demonstrator vehicle, based on a 2012 Buick Regal GS, incorporating the latest D-EGR (dedicated EGR) technology ( earlier post ), an outgrowth of SwRI’s HEDGE (High Efficiency Dilute Gasoline Engine) consortium projects ( earlier post ). Engines Fuel Efficiency Vehicle Systems'

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SwRI D-EGR gasoline demo vehicle delivers diesel efficiency at lower cost; potential for LEV III/Tier 3 emissions

Green Car Congress

improvement in city fuel economy (24.5 Southwest Research Institute (SwRI) announced preliminary test results of its Dedicated-Exhaust Gas Recirculation (D-EGR) demonstration vehicle ( earlier post ) at the SAE 2014 World Congress in Detroit. D-EGR brake specific fuel consumption (BSFC) at 2000 rpm 2 bar BMEP dropped 14.3%

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U Toronto study measures GDI emissions in urban near-road environment

Green Car Congress

A study of emissions from gasoline direct injection (GDI) vehicles in an urban near-road environment in Toronto over a wide range of weather conditions (February 2014 to January 2015) found that—other than for NO x and CO—the GDI engines had elevated emissions compared to the Toronto fleet.

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2015 VW Jetta TDI: a more refined, powerful and efficient diesel within a nicely redesigned model line

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TDI Clean Diesel EA288 engine ( earlier post ) with an EPA-rated highway fuel economy rating of 46 mpg with the manual transmission (45 mpg automatic). It is one of the most fuel-efficient engines in its class, and already conforms to the LEV3 emissions standard in the US. Fuel economy improvement. 2014 Jetta TDI.

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Audi banking on Gen 2 3.0L TDI diesel for US sales; calls for a “fair shot” for diesel

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” One of our primary goals and objectives is to level the playing field for clean diesel vehicles. Do they receive HOV access for their improved fuel economy and ultra low emissions? In fact in 6 of the states, diesel fuel is penalized with additional state taxes. You move from one pump to the other. Earlier post.).

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Chevrolet introduces second-generation Duramax 4-cylinder diesels; global engine

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has several new parts, including a new water-cooled variable-geometry turbocharger; a new high-pressure common-rail fuel delivery system; a new Exhaust Gas Recirculation (EGR) system; a new intake manifold; a new cylinder head; a new cylinder block; a new balancer shaft unit; and a new Engine Control Module (ECM). Click to enlarge.

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New Ford Escape launching with two new EcoBoost engines with standard Auto Start-Stop

Green Car Congress

The new Ford Escape, being showcased at the Los Angeles Auto Show, is the first Ford vehicle to make Auto Start-Stop standard with either of two EcoBoost engines new to the model—a 1.5-liter liter EcoBoost with integrated exhaust manifold is projected to deliver horsepower and torque output comparable to the 1.6-liter—an

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