Porsche 911 Turbo User Handbook Manual page 39

A new take on "pure performance."
Since the 1960s, Porsche has
Exhaust control.
devoted considerable effort to
developing cars that are compatible Among the cleanest sports cars
with our desire for cleaner air, in the world today, the 911 Turbo
quieter roadways, and reduced easily complies with both the
chemical and landfill waste. The United States emissions regulation,
911 Turbo models continue this LEV II, and the stringent Euro 4
tradition with several notable standard in the European Union.
advances, including reduced fuel
consumption, cleaner emissions, This is achieved in part through
fewer pollutants and greater use VarioCam Plus. This valve lift and
of recyclables. timing technology not only wrings
more power from each ignition
cycle, it also reduces emissions
at the combustion source. After
leaving the engine, the gases are
cleaned by catalytic converters
and monitored for oxygen levels
by four Lambda sensors.
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burn less fuel every mile they're on
Materials and recycling.
the road.
Porsche has always considered
lightweight design essential in the All told, about 85 percent of the
development of high-performance car's components can be recycled
sports cars. Through the use of using today's technology. All
aluminum alloys and high-tensile synthetics are clearly labeled to
metals, we're able to build cars simplify the recycling process.
that are lighter and stronger
than those made of conventional The 911 Turbo is entirely free of
steel—so they require less asbestos, CFCs, or components
material to manufacture and manufactured using CFCs. Water-
The 911 Turbo I Environment
based paints are used throughout
the car. This reduces the need
for chemical solvents during
production at the factory.
Noise.
In the 911 Turbo, precision
engineering can be measured
by high power output—and low
noise output, which complies
with worldwide noise restrictions.
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