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Tata Motors launches REVOTRON family of next-generation gasoline engines

Green Car Congress

liter Turbocharged Intercooled Multi-point Fuel Injected (MPFi) Petrol Engine, REVOTRON 1.2T. The engine has been manufactured to be light on weight and low on friction, delivering high performance and fuel economy. The first engine in the new series, which will include 3- and 4-cylinder models, is the 1.2-liter

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Recent on-road real-world emission testing in India highlights disparity between cycles, gasoline and diesel

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For laboratory testing, they measured emissions under the Modified Indian drive cycle (MIDC) (similar to NEDC), and the World harmonized Light Duty test cycle (WLTC); cold and hot start tests were performed for each vehicle and drive cycle. Fuel economy was 20 to 25% lower under RDE for all 3 vehicles when compared to type-approval values.

Gasoline 150
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2014 Mercedes-Benz E-Class in the US will offer new 4-cylinder diesel; new 4-cylinder gasoline direct injection engine in other markets

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liter V6—302 hp (225 kW), 273 lb-ft (370 N·m ) paired with fuel economy of 24/30 mpg US (est. Its technology package includes fast-acting piezo injectors for multiple injection, quick multi-spark ignition, turbocharging, fully variable camshaft adjustment on the inlet and exhaust side, as well as a controlled oil pump.

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Mercedes-Benz powering ahead with €3B strategic engine initiative; increasing electrification, 48V; diesel and gasoline; cylinder deactivation

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For the mobility of the future, we are deliberately not committing ourselves to one solitary form of drive system, but to a coexistence of efficient and clean petrol engines, diesels, plug-in hybrids, battery and hydrogen drive systems. This allows fuel savings that were previously reserved for high-voltage hybrid technology.

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Toyota reduces fuel consumption and emissions across the new Auris range; 13% average reduction in CO2 compared to predecessors; gasoline, diesel and hybrid

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Toyota Optimal Drive showcases a combination of wide-ranging advanced technologies and internal improvement programs designed to optimize the balance of performance and driving enjoyment with fuel economy and low emissions. D-4D 90 unit returns a combined cycle fuel consumption of 3.8 1.33l Dual VVT-i. l/100km and 10 g/km.

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New BMW 3 Series includes a new 4-cylinder TwinPower Turbo, 8-speed automatic and start-stop; ActiveHybrid 3 model in 2012

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Exhaust stream from cylinders 1 and 4, and the exhaust stream from cylinders 2 and 3, follow separate spiral-shaped paths to the turbine wheel. This reduces exhaust back-pressure at low engine rpm, allowing the energy of the exhaust gas pulses to be utilized as efficiently as possible.

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Toyota extend iQ range

Green Cars News

With Toyota Optimal Drive technology, the new iQ3 uses Dual VVT-i control of both intake and exhaust valves to deliver strong torque at low to medium engine speeds and achieve maximum efficiency. Equipped with Toyota’s new Multidrive CVT system, fuel economy is just as good, while emissions rise slightly to 120g/km, but remain within Band B.

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