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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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However, while Mazda plans to offer hybrid vehicles in the medium-term, its engineers are pushing hard to increase the efficiencies of both the gasoline and diesel platforms, moving toward what they call “the ideal Internal Combustion Engine.” Extreme compression ratio rather than downsizing. Although downsizing—i.e.,

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Renault 2010 Environment Workshop, Part 1: Combustion Engine Technology and Product Plans

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Renault held a “2010 Environment Workshop” last week to showcase its progress across its range of vehicles’ full lifecycle through the Renault eco² program. The downsizing process involved shortening the piston stroke by reducing the size of the crank pin and conrod assembly. New TCe gasoline engine family. Select Engines.

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VW launches new Sharan MPV; up to 14.3% more fuel efficient; stop-start, battery regen standard

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The two gasoline (TSI) and three diesel (TDI) engines are four-cylinder, 16-valve engines feature turbocharging and direct fuel injection. In the large Sharan the downsized engine consumes on average 6.4 AdBlue is available from Volkswagen workshops and at filling stations. l/100 km (36.8 The Sharan 1.4 l/100 km (35.6

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