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Revised Nissan Juke offers 1.2 DIG-T turbocharged engine

Green Car Congress

Among the changes in the new Juke are a new design at the front and rear with greater emphasis on both premium refinement and sporty design cues; a new downsized 1.2-liter liter turbocharged engine offering greater performance, economy and lower emissions; a revised 1.6-liter Despite its modest size, the 1.2-liter l/100km (42.8

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UCS analysis finds Hyundai-Kia with best sales-weighted new vehicle environmental performance in US in 2013

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Due to strong federal and state emissions standards, the average new car has gotten 43% cleaner since 1998. The company also showed strong improvements in GHG emissions due to its increased use of hybrids and its focus on smaller, turbocharged engines in vehicles ranging from the Ford Focus sedan to the F-150. Source: UCS. Methodology.

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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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Extreme compression ratio rather than downsizing. Although downsizing—i.e., reducing displacement to improve fuel economy and offsetting the resulting loss of power and torque via charging—is an effective approach to reducing fuel consumption, Mazda has chosen a different route. Click to enlarge.

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SAE technical experts: fuel cell technology has advanced significantly, FC vehicle production has begun, further cost reductions & infrastructure development required

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Employing original Honda technologies, the fuel cell stack for this model was downsized by 33% compared to the previous version of the fuel cell stack yet delivers 130 kW of output, with an output density of 3.1 Cost, productivity, efficiency and fuel economy now offer the highest focus for technology investment, he said.

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Daihatsu develops e:S Technology for 30 km/l in JC08 Mode; equivalent to 71 mpg US or 3.3 L/100km

Green Car Congress

The company anticipates that it will be the only gasoline-powered vehicle delivering fuel economy of 30 kilometers per liter (equivalent to 71 mpg US or 3.3 and the downsizing of the particles sprayed from the injector. L/100km) in JC08 mode. This new mini vehicle will have an entry price of less than ¥800,000 (US$10,200).

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McMaster team reviews progress on hybrid-specific engine technologies

Green Car Congress

Engines as one of the propulsion components in HEVs significantly affect vehicle fuel economy and emission performance. Advanced combustion regimes, cleaner fuels, efficient operating cycles, and waste energy recovery are four complementary technology pathways to high-performance hybrid-specific engines. —Wang et al.

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FEV analysis of automotive-scale Pinnacle opposed-piston engine finds potential for significant increases in fuel economy

Green Car Congress

An analysis by FEV of a modeled automotive scale version of Pinnacle’s 4-stroke, spark-ignited (SI), opposed-piston, sleeve-valve architecture engine ( earlier post ) concluded that the engine has the potential to deliver significant additional fuel economy benefits of up to 42.6% Fuel economy. increase in fuel economy (37.5