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Our contribution to a cleaner environment:
pure engineering.
In an era of intensifying debate
per hp), Porsche is already among
about CO
emissions, every auto-
those manufacturers achieving
2
motive manufacturer is asking
the lowest CO
itself what it has to offer in terms
been achieved through the new
of environmental protection.
efficient drive concept (DFI), light-
Our answer has long been the
weight construction, optimum
same: maximum efficiency.
aerodynamics and low rolling
resistance.
Porsche has been reducing the
CO
emissions of its vehicles
This high level of environmental
2
annually by an average of 1.7%.
responsibility is clearly dem-
In relation to power output (g/km
onstrated by our approach to
environmental management at the
Porsche development centre in
emissions. This has
Weissach. Here, all technological
2
developments are carried out with
environmental protection in mind.
The goal? Pure performance –
but not at the expense of the
environment. A goal achieved by
the new Boxster models.
· 92 ·
Exhaust emission control.
converter which comprises two
monolith substrates on each of the
Both engines comply with stringent
twin exhaust tracts. These specially
emission standards, including
coated substrates contain ultra-
Euro 5 in Europe and ULEV in the
fine honeycomb channels in which
USA. Vehicles manufactured by
pollutants are converted as exhaust
Porsche demonstrate that even
gas passes through.
high-performance sportscars can
achieve very low emission values
The stereo lambda control circuitry
in their respective category. In
controls and monitors each cylinder
short, the new Boxster is not only
bank separately, while another
extremely sporty, it is also very
lambda sensor on each cylinder
clean.
bank monitors pollutant conversion
in the respective catalytic con-
This is achieved by means of a
verter (p. 38). *
two-stage cascade-type catalytic
Boxster |
Boxster S and Boxster
Fuel economy and recycling.
At Porsche, a fundamental aspect
of design is intelligent lightweight
construction. For both economical
and ecological reasons. This forms
the basis for low fuel consumption
values in conjunction with out-
standing performance.
It is economical thanks to the
high proportion of aluminium cast
alloys, plastics and super high-
strength sheet steel used. This is
* Not in markets with leaded fuel.
· 93 ·
Environment
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