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UCS analysis finds Hyundai-Kia with best sales-weighted new vehicle environmental performance in US in 2013

Green Car Congress

For the first time since UCS began the Automaker Rankings report in 2000, all eight major automakers reduced their average greenhouse gas (GHG) and smog-forming emissions compared to their fleet averages from 1998, the model year examined in the first report. Source: UCS. Click to enlarge.

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Downsized 5.5L V8 Biturbo in S 63 AMG Delivers 25% Fuel Savings Compared to Predecessor; Stop-Start is Standard

Green Car Congress

For the first time, AMG is also utilizing the advantages of gasoline direct injection with spray-guided combustion and piezo-electric injectors: thanks to its higher thermodynamic efficiency, this technology makes more efficient use of fuel and leads to lower exhaust emissions.

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Ford moving to vehicle testing with advanced 2.3L MiGTDI engine research project; Tier 3 SULEV30 target with 25% fuel economy improvement

Green Car Congress

Ford’s approach to the project was to engineer a comprehensive suite of gasoline engine systems technologies, including: Aggressive engine downsizing in a mid-sized sedan from a large V-6 to a small I-4. 20 bar BMEP @ 2000 - 4500 rpm. Roller bearing cam journals on front, all other locations conventional. Electric TiVCT system.

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Schaeffler showcases eDifferential and eWheel Drive for electric Mobility

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The Schaeffler Group, a leading global supplier to the automotive industry, used the North American International Auto Show (NAIAS) in Detroit to highlight a number of hybrid solutions and electric mobility products as well as products for optimizing conventional drivetrains based on the internal combustion engine. eDifferential.

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DOE awards Envera $2.8M to develop and to test efficient variable compression ratio engine

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All three engine BSFC curves correspond to an engine speed of 2000 rpm.Click to enlarge. The new engine will achieve high efficiency using the Atkinson Cycle with an 18:1 compression ratio, combined with aggressive engine downsizing. Engine downsizing is a key tool in improving fuel economy. Earlier post.).

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Promising Delphi 1st-gen Gasoline Direct Injection Compression Ignition engine meeting ultra fuel efficient program targets

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They found that at all loads, GDCI was remarkably clean, with the potential for no aftertreatment for NO x and particulate emissions. They also simulated aggressive transients with a high rate of increased load as well as cold starts, and then tested all on the real engine. BSFC of 280 g/kWh was measured at 2000 rpm-2bar BMEP.

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Honda outlines technology for fuel efficiency push; engines, transmissions, hybrid, plug-in hybrid and electric powertrains

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outlined its plans for next-generation automotive technology&madsh;which it is labeling “Earth Dreams Technology”—comprising a series of measures to improve the efficiency of gasoline and diesel engines, transmissions, hybrid and plug-in hybrid systems and electric powertrains. A compact, high efficiency electric powertrain for EVs.

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