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Jacobs and Tula to cooperate on CDA valve actuation with Dynamic Skip Fire control

Green Car Congress

Cylinder Deactivation leverages Jacobs’ well-established componentry to disable engine valves in selected cylinders allowing a large engine to have the fuel economy of a smaller engine. Also, higher exhaust temperatures in operating cylinders maintain aftertreatment temperatures at low load conditions and start-up.

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DOE awards nearly $55M to advance fuel efficient vehicle technologies in support of EV Everywhere and SuperTruck

Green Car Congress

The US Department of Energy (DOE) is awarding nearly $55 million for 24 projects to develop and deploy advanced vehicle technologies, supporting the Energy Department’s EV Everywhere Grand Challenge to make plug-in electric vehicles as affordable to own and operate as today’s gasoline-powered vehicles by 2022. Area of Interest 3).

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GMs Expanding Gasoline Direct Injection Engine Portfolio

Green Car Congress

The newly introduced GMC Terrain ( earlier post ) became the latest GM North American model that will feature a fuel-efficient gasoline direct injection (DI) engine in 2010. For MY 2009, GM is offering 6 engine variants with direct injection in 10 models in North America, 18 worldwide. The new GM 3.0L 2010 GM 3.0L

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Road Test: 2021 Cadillac XT5 Premium Luxury FWD

Clean Fleet Report

But the XT5 acquits itself well in all of the key categories, which explains its solid sales pace for the GM luxury division. This is one area where GM is the industry leader, and after the initial service plan expires, it is well worth renewing. Ready to go head-to-head. Three Models. liter four-cylinder or a normally aspirated 3.6-liter

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GM introducing new generation of modular 3- and 4-cylinder Ecotec engines; 11 variants from 1.0L to 1.5L

Green Car Congress

GM is introducing a new generation of Ecotec small-displacement engines (1.0 The new engine family, including naturally aspirated and turbocharged variants, will make its way into five GM brands and 27 models by the 2017 model year, said Steve Kiefer, GM vice president, Global Powertrain Engineering. New Ecotec 1.0L I-4 engines.

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AT&T orders 1,200 CNG-powered Chevrolet Express vans

Green Car Congress

AT&T, which has announced its intention to invest up to $565 million to deploy approximately 15,000 alternative fuel vehicles over a 10-year period through 2018, will use the vans to provide and maintain communications, high-speed Internet and television services for AT&T customers. Earlier post.).

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Review: Chevrolet Silverado 2500HD with bi-fuel CNG option

Green Car Congress

In the case of the 2500HD bi-fuel, the two main trade-offs are a reduction in power and torque in CNG mode compared to gasoline mode, and the loss of a portion of the bed of the truck to the 3,600 psi CNG tank and its box-like enclosure. (It Emissions reductions (%) of new NGVs compared to new gasoline and diesel vehicles (2012).

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