engine has no spark plug, that it intakes air and compresses it, and that it then injects the fuel directly into the combustion chamber (direct injection) compact
car
s,
commuting
problems
It is
commuting
problems the heat of the compressed air that lights the fuel in a
diesel
engine.The injector on a
diesel
engine is its most complex component and has been the subject of a great deal
commuting
problems of experimentation compact
car
s,
commuting
problems
Getting the mist circulated in the cylinder so that it is evenly distributed is also a problem, so some
diesel
engines employ special induction valves, pre-combustion chambers or other
commuting
problems devices to swirl the air in the combustion chamber or otherwise improve the ignition and combustion processcompact
car
s,
commuting
problems
Diesel engines have never really caught on in passenger
car
scompact
car
s,
commuting
problems
During the late 1970's,
commuting
problems
diesel
engines in passenger
car
s did see a surge in sales because of the OPEC oil embargo, but that is the only significant penetration that
diesel
engines have made in the marketplacecompact
car
s,
commuting
problems
commuting
problems Even though they are more efficient, there are eight historical problems that have held
diesel
engines back: Diesel engines also tend to be more expensive.The two things working in favor of
diesel
engines
commuting
problems are better fuel economy and longer engine lifecompact
car
s,
commuting
problems
Both of these advantages mean that, over the life of the engine, you will tend to save money with a
diesel
compact
car
s,
commuting
problems
However, you
commuting
problems also have to take the initial high cost of the engine into accountcompact
car
s,
commuting
problems
You have to own and operate a
diesel
engine for a fairly long time before the fuel economy overcomes
commuting
problems the increased purchase price of the enginecompact
car
s,
commuting
problems
As mentioned, the list above contains historical disadvantages for
diesel
enginescompact
car
s,
commuting
problems
Many of the new
diesel
engine designs using advanced computer control are
commuting
problems eliminating many of these disadvantagescompact
