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Update on the ACCESS fuel efficient engine project; simulations find up to 48.9% improvement in fuel economy over baseline

Green Car Congress

At the recent 2013 SAE World Congress, engineers from Bosch and AVL presented papers on progress in the ACCESS project, describing the design, combustion development and controls development for a resulting 4-cylinder gasoline turbocharged direct injection (GTDI) engine with part-load HCCI capability. Earlier post.). —Wheeler et al.

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Ford’s math on hybrid fuel economy; standing by the C-MAX EPA ratings, acknowledging large real-world variance

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Raj Nair outlining factors affecting real-world fuel economy in hybrids. Combining a “lead foot” with environmental factors can lead to the wide swings in fuel economy results, he said. A key part of that DNA is “fun-to-drive”. Quite a few factors can affect hybrid fuel economy, more so than regular gas engines.

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NREL study finds Class 8 hybrid trucks delivered 13.7% higher fuel economy than conventional diesels in comparable usage

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Laboratory and in-use fuel economy comparison. higher fuel economy than the conventional tractors, resulting in a 12% reduction in fuel costs for the hybrids. higher fuel economy than the conventional tractors, resulting in a 12% reduction in fuel costs for the hybrids. Source: NREL.

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Infiniti Q80 Inspiration concept hybrid delivers 550 hp with 42.8 mpg fuel economy

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The four-door fastback is powered by a hybrid electric powertrain that is expected to deliver 550 hp (410 kW) with fuel consumption of 5.5 liter V6 that is part of a new engine family which will be introduced within the next two years. L/100 km (42.8 mpg US) and CO 2 emissions of about 129 g/km. Q80 Inspiration. Click to enlarge.

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Volkswagen: e-mobility and sustainability; Part 1, the e-Golf and Golf GTE

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The e-Golf accelerates from 0 - 25 mph (40 km/h) in 4.2 seconds and from 0-60 mph in approximately 10.4 Top speed is electronically limited to 87 mph (140 km/h). The body shell now has 28% of parts in ultra-high-strength hot-formed steel, up from 6% on the Golf Gen 6. seconds and on to 135 mph (217 km/h).

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Chrysler offering ZF 8-speed automatic in 2012 Chrysler 300 and Dodge Charger; improved fuel economy

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The result is a four mile-per-gallon increase in fuel economy that pushes the highway EPA rating to 31 mpg US (7.6 The transmission efficiency and wide ratio spread also provide the improved fuel economy in city traffic. Fuel economy for both models is 19 mpg US (12.4

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Volkswagen boosts Beetle Turbo and Jetta GLI with EA888 Gen 3 engine; more power, improved fuel economy

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seconds to accelerate from 0 to 60 mph, 0.2 A new factory in Silao, Mexico—part of Volkswagen’s ongoing $5-billion investment in the North American market—is producing the EA888 localized for the US market. Thus equipped, the Beetle Turbo coupe takes 6.6 seconds less than the previous version.