The Environmental Protection Agency recently gave its nod of approval to Caterpillar's full line of off-road engines compliant with Tier 3 standards. Tier 3 regulations, which apply to clean diesel engines used in construction and mining machines and industrial power equipment, do not go into effect until January 2005. Caterpillar now has seven engine models certified under Tier 3 regulations, and these engines will be market-ready by this October. Caterpillar was able to meet these standards earlier by using ACERT technology. For more information on Caterpillar's clean engines, visit www.cat.com.
Altair has released an update of its HyperWorks computer-aided engineering simulation suite that includes new features focusing on four key areas of product design: performance optimization, lightweight design, lead-time reduction, and new technologies.
At IMTS last week, Stratasys introduced two new multi-materials PolyJet 3D printers, plus a new UV-resistant material for its FDM production 3D printers. They can be used in making jigs and fixtures, as well as prototypes and small runs of production parts.
In a line of ultra-futuristic projects, DARPA is developing a brain microchip that will help heal the bodies and minds of soldiers. A final product is far off, but preliminary chips are already being tested.
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