Six Star Magazine Six Star Magazine Summer 2006 | 页面 16
TECHNOLOGIES
Active Valve Control System
One of the most important aspects of producing greener vehicles is reducing emissions.
For 2006, all 3.0R and turbocharged Subaru vehicles feature the Subaru Active Valve
Control System. This system is designed to reduce emissions while improving performance
and providing a smooth idle. The technology uses a hydraulic system that is controlled by
the engine management computer to vary the timing of the intake valves so that whether the
vehicle is idling, driving at a leisurely pace, or under hard acceleration, peak performance
and the lowest possible emissions are achieved.
Active Valve Lift
Not to be left out, all 2006 Subaru models that feature the naturally aspirated 2.5 L engine
enjoy the benefits of Subaru’s i-Active Valve Lift System. While conventional valve lifters are
one-piece, the i-Active Valve Lift System features two-piece valve lifters that work separately
at low RPM or together at high RPM. This helps provide better low-end torque and engine
efficiency while allowing these Subaru vehicles to meet one of the strictest emissions
standards for gasoline engines.
SI-DRIVE mode dial
SI-DRIVE
In 2007, Subaru will break new ground with Subaru Intelligent Drive, (SI-DRIVE), which delivers an
unprecedented driving experience by maximizing engine performance, control and efficiency.
By adjusting the SI-DRIVE selector located on the centre console, a driver is able to alter the
engine management system settings for throttle response and engine performance (acceleration,
fuel economy, emissions) as well as the transmission shift pattern (automatic transmission
equipped models only) for three unique driving modes: Intelligent (I), Sport (S), and Sport
Sharp (S#). It’s like having three engines in one.
The Intelligent mode minimizes throttle opening on acceleration for less turbo involvement
and less aggressive acceleration. The result is better drivability in low-traction driving
conditions. This mode also allows lower engine idle and improved fuel economy (as much
as 10%) during commuting, city and bumper-to-bumper driving conditions where engines
consume the most fuel.
The Sport mode provides greater engine output and a quicker and smoother throttle
response. It is ideal for driving on highways and suburban streets.
For spirited drivers, the Sport Sharp (S#) mode offers an exhilarating level of engine
performance and control. Throttle response is quicker, allowing the turbocharger to
be engaged sooner for more aggressive acceleration. This mode is ideal for merging or
overtaking other vehicles on the highway or tackling twisty roads with confidence.
Intelligent mode
Sport mode
Sport Sharp mode
More to Come
The future of environmentally friendly vehicles is in finding a balance between sustainability and performance. With the recent unveiling of the
B5-TPH and R1e concept cars, advancements in Manganese-Lithium-Ion battery development, and the innovative “greening” of its current
line-up of vehicles, Subaru has shown the world we are committed to doing just that. Add to this the fact that Subaru is currently researching
the possibility of an alternate hybrid based on Toyota’s Hybrid System. And, presently in the European market, Subaru is working toward the
introduction of a diesel SUBARU BOXER engine for environmentally conscious consumers with stricter budget constraints. The future certainly
does look greener.
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