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EIA: trends in downsized engine design leading to increased demand for higher-octane gasoline

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in August and September 2015—the highest share in more than a decade, according to data from the US Energy Information Administration (EIA). One significant trend is engine downsizing coupled with turbocharging. Turbochargers work by using a turbine driven off the exhaust gas to pressurize the intake air.

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Honda provides first look at 2015 hybrid F1 Power Unit

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provided a first look at an image of the power unit currently in development for the 2015 FIA Formula One (F1) World Championship. In 2014, the regulations for F1 engine and energy recovery systems were changed. liter engines were downsized to 1.6 Honda Motor Co., Honda Formula 1 power unit. Honda Formula 1 power unit.

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Ford to bring 20 new engines and transmissions to China and improve fleet fuel economy by more than 20% by 2015; producing the new 1.0L EcoBoost in China

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Ford will upgrade its entire powertrain portfolio in China by bringing 20 advanced engines and transmissions to support its planned introduction of 15 new vehicles to China—the world’s largest auto market—by 2015. The global EcoBoost engine family is the cornerstone of Ford’s near-term sustainability plan.

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ARPA-E awards U-M $1.9M to develop advanced low-cost high-efficiency engine; boosting, highly dilute combustion and 48V system

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million to a project to develop a high-efficiency engine system that integrates a compact micro-hybrid configuration of a supercharger with an electric waste heat recovery system and employs high rates of recirculated exhaust gases. Modern engines are becoming smaller and smaller with high levels of dilution for efficiency.

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Study finds catalyzed gasoline particulate filters effective at reducing particulate and PAH emissions from GDI engines

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Polycyclic aromatic hydrocarbons (PAHs) and nitrated PAHs were quantified in both the vapor and particle phases of the PM, with the GPF-equipped vehicles practically eliminating most of these species in the exhaust. liter all-guided direct injection SI Atkinson cycle engine; the second was equipped with a 1.5-liter

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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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Mazda’s roadmap to the ideal internal combustion engine. the step-by-step introduction of electrification to SKYACTIV internal combustion engines: stop-start, followed by regenerative braking, followed by electric motor drive technologies. Energy balance in an internal combustion engine. Click to enlarge. Click to enlarge.

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Ricardo’s “deep” Miller cycle concept: Magma

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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.

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