There's been an awful lot written about CAFE standards for passenger cars, but very little about similar standards for other parts of the transportation industry. The heavy trucking sector in particular needs all the help it can get to shave weight off its vehicles.
Siemens and Fraunhofer Institute for Laser Technology have achieved a faster production process based on selective laser melting for speeding up the prototyping of big, complex metal parts in gas turbine engines.
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