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Porsche's New Six-Stroke Engine Explained

The Truth About Cars

On a four-stroke motor — like the one that’s situated beneath the hood of your daily driver — there is an intake, compression, power, and exhaust stroke. Most early designs required water injection, and sometimes even leveraged excess steam to aid with propulsion, which meant adding an extra tank specifically for that purpose.

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Ford introduces second-generation 6.7L Power Stroke V8 Diesel for F-Series Super Duty; Gen 1 hits 500,000 mark

Green Car Congress

The advanced design places the exhaust inside the engine’s V-shape while the air intake is positioned on the outside of the V. This segment-exclusive design naturally improves a variety of attributes: Shorter airflow from the exhaust system to the turbocharger sitting between the engine’s cylinder banks improves turbo responsiveness.

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New TNGA Dynamic Force 2.0L engine for 2019 Corolla Hatchback smaller, more powerful than 1.8L

Green Car Congress

liter Dynamic-Force direct-injection inline four-cylinder engine (M20A-FKS) ( earlier post ) with gains in power, fuel efficiency, and cleaner emissions. Together, the valve timing systems enhance power output and fuel economy, and cut harmful emissions. The all-new TNGA-based powertrain features the 2.0-liter

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New Ford Focus in Europe delivers fuel economy improvements up to 19% with new 1.5L TDCi; 1.5L EcoBoost, Enhanced Transitional Stability

Green Car Congress

liter TDCi engines and include a lean NO x trap for cleaner exhaust emissions, while friction is reduced with microscopic applications of Diamond Like Coating (DLC); engine breathing is enhanced with a Variable Nozzle Turbocharger. Ford engineers have further optimized power, torque and fuel efficiency from the 2.0-liter

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New Ford S-MAX first worldwide to offer Intelligent Speed Limiter

Green Car Congress

liter 100/km (47 mpg US) fuel efficiency and 129 g/km CO 2 emissions from a revised engine block, new cylinder-head and fuel injection designs. Ford’s lean NO x trap exhaust after-treatment system helps deliver cleaner emissions. Combined with a six-speed manual gearbox, all three variants will offer 5.0-liter

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