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Review of research suggests inconclusive support for fuel consumption benefits of catalyzed EGR

Green Car Congress

Conflicting evidence does not support making a firm conclusion on the fuel consumption benefit of catalysed Exhaust Gas Recirculation (EGR), according to a review of current studies by a team at the University of Bath (UK).

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Ricardo’s “deep” Miller cycle concept: Magma

Green Car Congress

In its new report on downsized and boosted gasoline engine technologies ( earlier post ) the ICCT highlighted Ricardo’s work on an “extreme” Miller cycle concept with high (13:1) compression ratio (CR) and central direct injection in a downsized boosted engine. A long exhaust stroke then extracts maximum efficiency. Resources.

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New 4-cylinder 2.3L EcoBoost on Lincoln MKC small SUV; future EcoBoost prospects

Green Car Congress

The all-new 2015 Lincoln MKC small premium utility, unveiled last week, offers an all-new engine—a 2.3-liter Featuring a twin-scroll turbocharger and a three-port integrated exhaust manifold (IEM), the 2.3-liter Two pivotal factors are the three-port integrated exhaust manifold cylinder head and a twin-scroll turbocharger.

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Team from GM, Ford, FCA reviews how to calculate engine efficiency benefits of high octane fuels

Green Car Congress

A team of engineers from GM Powertrain, Ford and FCA have published a detailed review of how to estimate the engine efficiency benefits of higher octane fuel—e.g., fuel with higher ethanol content—for part- and full-load operation for different engine types and fuel assumptions. In their study, Leone et al.

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Daimler Trucks NA SuperTruck achieves 115% freight efficiency improvement over 2009 baseline; 50.2% engine BTE

Green Car Congress

DTNA’s SuperTruck was unveiled at the 2015 Mid-America Trucking Show. DTNA unveiled its SuperTruck at the 2015 Mid-America Trucking Show (MATS) in the Freightliner Trucks booth. The Freightliner SuperTruck uses a downsized and downsped 10.7-liter Click to enlarge. Earlier post.) Earlier post.) mpg (19.26 Click to enlarge.

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NRC releases second report on 21st Century Truck Partnership

Green Car Congress

The National Research Council (NRC) last week released a pre-publication version of its second report reviewing the 21 st Century Truck Partnership (21CTP). The Phase 2 review follows on the original NRC Phase 1 review of the Partnership conducted in 2007 and resulting in a report issued in 2008. Background. Earlier post.).

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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

At the US Department of Energy (DOE) Annual Merit Review in Washington, DC last week, Cory Weaver from Ford Research and Advanced Engineering reported that Ford has completed the planned build of 12 units of the new engine, and is working on vehicle integration for further testing per the project timeline. Earlier post.). Tier 2 Bin 2.