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D _ r_ i v _in _,...
g,_a_n _d_ e_ n _v_ i_ r o _ n _m _ e _ n _ t __
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The engine and catalytic converter have to reach their optimal oper-
at ing t emperatur e to reduce fuel consumption
and noxious emis -
sions effective ly.
Just after starting, a cold engine in a mid -size car only achieves a
fue l economy of 6-8 m iles per gal lon (30-40 1 /100 km). After about a
half a mi le, fue l economy climbs to 12 mpg (201/100 km). After about
2.5
m iles (4 km), the engine is at its proper operat ing temperature
and fuel economy has reached a normal level. So you can see that
you should avo id short tr ips whenever poss ib le.
The out side te mperature is also critical in this regard . Your car
consumes more fuel in the winter than in the summer. •
Controls and equip-
ment
Safety first
Vehicle operation
Vehicle care
Do-it-yourself service
Technical data
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