In a decade where green has become the new buzzword for almost every industry, automakers are facing two big problems: economy and emissions. The simplest way to achieve this is to reduce weight and reduce the size of the engine. With all the government mandated safety equipment and luxury features that today�s customers demand - power everything, air conditioning and the like - achieving the former is very difficult. And fitting a small engine into a heavy body is only going to stunt performance and make fuel economy all the more worse.
Fortunately, there are a few potential solutions. Carbon fibre is one. It�s said to be ten times stronger than steel and five times lighter. Unfortunately, it�s also four times as expensive, making it impractical for use in non-luxury vehicles. Now, engineers are looking to green energy and new manufacturing methods to make carbon fibre cheaper. Still, the results are yet to be seen.
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