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SwRI CAT-DEF reduces heavy-duty diesel emissions to meet CARB 2027 NOx requirements

Green Car Congress

Southwest Research Institute (SwRI) demonstrated the effectiveness of its patented and award-winning CAT-DEF technology during the WCX World Congress Experience in Detroit in April. CAT-DEF—Catalyzed Diesel Exhaust Fluid—is an SwRI-developed catalyst- and surfactant-modified diesel exhaust fluid (DEF) solution.

Diesel 284
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Ricardo partners with Excel Engineering to deliver testing and prototype services; Excel acquiring Ricardo’s Michigan Test Center and Personnel

Green Car Congress

Through the partnership, Excel will serve as the preferred testing source for Ricardo internal developments in the US and will handle current and future testing for Ricardo clientele. Excel, founded in 2002, tests engines for exhaust emissions compliance, long- and short-term durability and overall performance. Ricardo Inc.,

Michigan 186
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Chevrolet displays new subcompact 2012 Sonic at Detroit Auto Show

Green Car Congress

Chevrolet displayed the all-new subcompact 2012 Sonic—called the Aveo in other parts of the world ( earlier post )— at the North American International Auto Show. The 1.4L’s turbocharger is integrated within the exhaust manifold, for reduced weight and greater packaging flexibility in small vehicles. The 2012 Sonic.

Chevrolet 210
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DTNA unveils Freightliner SuperTruck II

Green Car Congress

With a non-certified prototype Detroit 13-liter engine featuring two-stage turbo and interstage cooling and a 13-speed overdrive transmission, the powertrain is able to achieve lower downspeeding and greater fuel savings through reduced drag overdrive. The highly efficient powertrain enables a 5.7%

Las Vegas 195
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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

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. With D-EGR, one or more cylinders have their exhaust connected directly to the intake system. Chadwell et al., 2014-01-1190.

Gasoline 317
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Scuderi working on turbocharged variant of split-cycle engine; smaller, more powerful, and more fuel efficient

Green Car Congress

The Scuderi Group announced at the SAE 2011 World Congress in Detroit that boosting one of its air-hybrid split-cycle engines ( earlier post ) with a turbocharger to 3.2 The intake, compression and exhaust strokes are all negative work, or the energy that the engine consumes to create mechanical work. Click to enlarge. Earlier post.).

Engine 316
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US Army awards $4.9M contract to Achates Power and AVL for Next-Generation Combat Engine based on Achates two-stroke, opposed-piston technology

Green Car Congress

—David Merrion, former EVP of engineering at Detroit Diesel, Achates Power technical advisory board member, and two-stroke engine expert. Achates Power has accumulated more than 3,600 hours of dynamometer testing and achieved 47.5% brake thermal efficiency. Higher scavenging efficiency from a high stroke-to-bore ratio. Lemke, David E.

Engine 225