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This can be the second of the series of articles that highlights the almost unbelievable advances that are fitted with occurred in yesteryear 10 years in automobile technology. It’s going to focus on how it was done. It is such a vast subject it is being separated into several sections.

In the 1990′s one had the feeling that there could not be much more advances during the technology in automobiles, development had reached its zenith. However escalating pressure by governments, the looming scarcity of fuels along with clean air legislation have forced the engineers to produce more efficient cars and engines.

Stated above in the first article, the claims of your manufacturers appear to be the claims of snake oil salesmen, almost too good to believe.

The most obvious developments:

Some developments are really easy to explain and now have been noted for many years, but weren’t used for various reasons.

• Decrease in weight: Together with the increasing pressure to create automobiles safer, their structure would have to be stronger using sections all this has caused a rise in weight in the past.These days steels with high strength are now being used in the leading body in the car. Plastics and composites ( high- strength woven fibers while in the matrix of a resin), make their appearance on production cars. Composites are however costly and have limited applications and are generally mostly applied to racing cars as well as some expensive exotic sport cars.Aluminum is employed more and more nowadays for the body structure, mostly for the more pricey automobiles. In stop and initiate traffic the reduction of weight provides the most affect on the economy of the car.

• Streamlining: Consideration is being paid to lower aerodynamic drag where possible. In the 1930′ a Czechoslovakian car maker, Tatra, were built with a car that has been designed in a wind tunnel to possess a drag co-efficient that beats that of any modern production car. In the past makes like Citroen along with Audi had produced cars with low drag co-efficient and lately every manufacturer should it also. Thus its nothing new, but has risen in importance in the last few years.The result of aerodynamic drag only is needed at higher speeds for instance being reached to the open road, but is also one of the factors that is actively pursued with the manufacturers.

• The decrease in friction losses:Where-ever possible friction in engines is reduced through the design on the pistons, bearings and many other methods.The ancillary equipment just like water pumps, oil pumps, air cooling compressors and power steering in many cases are driven by electric motors controlled by electronics to figure on demand when asked.Low friction tires are employed where other factors as road holding aren’t deemed to generally be more important.These include all ways the economy of today’s automobiles has been enhanced. The most dramatic advances however originated from changes to the engines and transmissions with the automobile. This is actually the subject of further articles inside series.

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