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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. 2016), the Ricardo team showed that increasing the CR from 10.2:1

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National Research Council Study Finds That Available Technologies Can Result in Significant Fuel Savings for Passenger Vehicles Over the Next 15 Years, But at Higher Purchase Prices for Consumers

Green Car Congress

Various combinations of commercially available technologies could greatly reduce fuel consumption in passenger cars, sport-utility vehicles, minivans, and other light-duty vehicles over the next 15 years without compromising vehicle performance or safety, according to a new report by the National Research Council. Assessment of Technologies”.

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Mazdas new SKYACTIV gasoline and diesel engines are steps on the road to its Ideal Engine; focus on compression ratio

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At the workshop, Kiyoshi Fujiwara, Mazda Executive Officer in charge of project planning and development, suggested unofficially that Mazda engineers think they ultimately may be able to approach 60% thermal efficiency with combustion engines for light duty vehicles. Extreme compression ratio rather than downsizing.

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Update on DOE Co-Optima project to co-optimize fuels & engines; goal of 30% per vehicle reduction in petroleum

Green Car Congress

In October 2015, the US Department of Energy’s (DOE) launched a broad, joint effort to co-optimize the development of efficient engines and low greenhouse-gas fuels for on-road vehicles with the goal of reducing petroleum consumption by 30% by 2030 beyond what is already targeted. We’re not going to say “Ethanol.

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NRC report finds Federal analysis to set LD CAFE and GHG standards generally of high quality; some technologies and issues should be re-examined

Green Car Congress

The analysis used by federal agencies to set standards for fuel economy (CAFE) and greenhouse gas emissions for new US light-duty vehicles from 2017 to 2025 was thorough and of high caliber overall, according to a new report from the National Research Council. Background. Hybrid and Electrified Powertrains.

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Using the PHEV (Plug-In Hybrid Electric Vehicle) to Transition Society Seamlessly and Profitably From Fossil Fuel to 100% Renewable Energy

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Appendix E: PHEV and the Electrical Grid—fast charge v. slow charge. Every electric energy consumer, not just the relatively few electric-only vehicle owners, will be asked to pay for the expensive hardware for these high-power charging stations. Appendix B: Car of the Future: A Comparison of Alternative Vehicles.

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3rd generation Mercedes-Benz M-Class SUV lineup on average consumes 25% less fuel than previous models; pilot for the energy-transparent vehicle development tool

Green Car Congress

On the diesel side—now available solely as BlueTEC units with SCR aftertreatment technology) , the focus is on downsizing and the new version of the V6 CDI engine. The HP turbine is located directly at the exhaust manifold and initially allows exhaust gas to flow through it; it then rotates at up to 215,000 revolutions per minute.

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