Sentences with phrase «injection optimizes efficiency»

Additionally, a dual fuel - injection system that utilizes both port and direct injection optimizes efficiency and allows high compression (11.8:1) for power and efficiency.

Not exact matches

* Horsepower and torque expected to top previous model (testing is ongoing — check media.gm.com for updates) * NOx emissions reduced at least 63 percent over 2010 models * Quieter operation * High - pressure (30,000 psi / 2, 000 bar) Piezo - actuated fuel system for greater fuel efficiency, improved performance and reduced emissions * Exhaust brake system that enables controlled vehicle slowdown on downhill grades without actuating the brakes * Selective catalytic reduction after - treatment system using diesel exhaust fluid (DEF) injection to provide the best overall diesel characteristics and performance — with a range of about 5,000 miles (8,000 km) between DEF refills * Combustion and after - treatment have been optimized to provide about 700 miles (1,125 km) between diesel particulate filter regenerations — a 75 - percent improvement over the previous system and significant contributor to improved fuel efficiency, as the regeneration process requires additional fuel * B20 biodiesel capability for an alternative fueling option * Internal revisions that improve durability

By optimizing the pressure and temperature in the cylinders, the shape of combustion chambers, and the fuel injection rate, combustion begins at the best timing in terms of thermal efficiency.

Noise and vibration have been reduced by the use of a double torsional damper on the crank pulley, while fuel efficiency is supported by the use of D - 4S direct fuel injection, Atkinson cycle operation, optimized VVT - i operation and a high compression ratio.

Continuously variable valve timing is refined to support the LT1 AFM and direct injection systems to further optimize performance, efficiency and emissions.

With high - pressure direct injection for impressive power, low emissions and superb efficiency, this latest version of the Tau V8 benefits from an optimized intake runner length, enhanced timing chain for reduced friction and NVH, low - torque exhaust manifold, increased compression ratio and upgraded multiple - injection mapping.

With direct injection and Dual Continuously Variable Valve Timing (D - CVVT) for impressive power, low emissions and superb efficiency, the V8 benefits from a re-profiled exhaust manifold, optimized dual intake, increased compression ratio and upgraded multiple injection mapping.

Essentially, SFI D - 4 integrates two types of fuel injection: A direct - type high - pressure fuel injection system, which provides a cooling effect in the cylinders and enables the high compression ratio (11.8:1) employed to extract maximum energy from the fuel; and a set of low - pressure port fuel injectors that help produce a precise burn to optimize power and efficiency under light - and medium - load conditions.

This naturally aspirated mill uses direct - injection technology to attempt to optimize power and fuel efficiency.

To help meet increasingly stringent fuel efficiency and CO2targets, engine control systems must optimize the ignition and fuel injection timing to match a variety of conditions, such as current combustion and driving status.

The «Direct Hybrid» is a V6 gasoline hybrid that uses spray - guided direct injection (GDI) to optimize efficiency of the engine (related post).

The 3.2 - liter FSI V6 features an aluminum engine with direct injection, a dual - stage intake manifold and Audi's variable valve - lift system that helps optimize its overall efficiency and responsiveness.

A common - rail fuel injection system precisely optimizes performance and fuel efficiency, while a high - pressure 29,000 pounds per square inch injection calibration enables smoother, quieter operation with reduced emissions.