Remove Exhaust Remove Fuel Economy Remove International
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Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

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At the US Department of Energy’s (DOE’s) Annual Merit Review meeting in Washington, DC last week, Michael Ruth from Cummins noted that the DOE program target for the project is a fuel economy (CAFE) target of 26 mpg (9.05 However, he added, the internal goal is “ significantly higher, ” and is targeting the GHG limit.

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Study shows simultaneous lower emissions and improved fuel economy with Fischer-Tropsch diesel

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report not only the superior emission characteristics of the Fischer–Tropsch fuels, but also evidence that higher exhaust gas recirculation and lower excess air ratios will be a key concept of both engine and aftertreatment optimization for further fuel consumption improvement.

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Toyota implements Atkinson cycle in non-hybrid ESTEC engine; up to 38% thermal efficiency and improved fuel economy

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Further, at low loads, the ESTEC engine improves fuel consumption by 11% in the JC08 mode. Improving the vehicle fuel economy is a must due to the climate change and energy issues. 1 and internal EGR.) To address this, at low load, Exhaust VVT is advanced and internal EGR is used. 1 and water-cooled EGR.

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SAE Publishes Revised J1711 Standard to Measure Exhaust Emissions and Fuel Economy of Hybrids and Plug-in Hybrids

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Also, the list of standard test procedures addressed in SAE J1711 has been expanded to cover all five major test cycle procedures (UDDS, HFEDS, US06, SC03, and Cold FTP) now being used to evaluate vehicle fuel economy. There are two basic exhaust emissions and fuel economy tests described in J1711. Earlier post.)

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Transonic Looking at Final Funding Round This Year, Production Deployment of Supercritical Fuel System in 2014; 50-75% Improvement in Engine Fuel Economy

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TSCi combustion minimizes heat loss to the cylinder walls and in the exhaust. The TSCi injection system can also be supplemented by advanced thermal management, exhaust gas recovery, electronic valves, and advanced combustion chamber geometries. Source: Transonic. Click to enlarge. L/100km) EPA city and 48 mpg (4.9 L/100km) highway.

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2012 Hyundai Accent first to receive 1.6L GDI Gamma engine; 18% improvement in highway fuel economy to 40 mpg

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Hyundai Motor America introduced the all-new 2012 Accent at the New York International Auto Show; this marks the US debut of the latest version of the popular subcompact sedan and the new Accent five-door. By precisely controlling the injection of fuel, GDI allows for better fuel economy, increased power and reduced emissions.

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Report: Mazda seeking 30% boost in fuel economy with HCCI SkyActiv 2 engines around 2020

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Automotive News reports that Mazda plans a second generation of SkyActiv engines around 2020 that would achieve 30% better fuel economy than the current line of Skyactiv engines. Higher compression tends to improve fuel economy because they can achieve the same combustion temperature with a leaner mix of fuel.