Automotive Technology

Advances in CAD and simulation software have enabled countless manufacturers to create virtual prototypes of products, a trend that has cut costs and accelerated time to market. But one major manufacturer — Toyota — has concluded that too much reliance on such virtual designs can hurt quality. Machine Design reports that Toyota ramped up production of physical prototypes after concluding that digital tests often fell short in replicating real world driving conditions. In pursuing your quality goals, what do you find is the right balance between virtual and real prototypes of new products?

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Engine, transmission, clutch, suspension, and of course, brakes; in-wheel electric motors roll all these functionalities into a single unit. With such technology already available, why bother with internal combustion engines?

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The media loves to hype electric hybrid vehicles, but barely mentions hydraulic hybrids. Shouldn't they be paying more attention? Why the lack of publicity?

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We've all read about the Chevy Volt and the Tesla — great acceleration. And then there are a slew of hybrids already available — better economy. But can those concepts be scaled up to the big equipment? The fuel saving potential of hybrid electric powertrains is making its way into the construction industry. For instance, the hybrid diesel-electric Mecalac 12 MTX excavator requires on 68-hp engine compared to the pure diesel model with a 98-hp engine. When less power is needed, the batteries are charged, when more than 68 hp is required, the electric motors take up the slack—for a 25% overall fuel economy improvement. Are these projected savings realistic? Can hybrid powertrains stand up to the rigors of earth moving and heavy construction?

The preceding article is a "sneak peek" from Automotive Technology, a newsletter from GlobalSpec. To stay up-to-date and informed on industry trends, products, and technologies, subscribe to Automotive Technology today.

A hybrid sports car has yet to hit the road. A key component to its acceptance would be the transmission to provide enthusiasts with control and feel for the road, notes a blog on Car Tech. The electric motors provide low speed torque for snappy acceleration, but how should car makers control the power? Many purists fear that all the electronics inherent in such cars could take away the fun factor of climbing up and down the gears. What do you think?

The preceding article is a "sneak peek" from Automotive Technology, a newsletter from GlobalSpec. To stay up-to-date and informed on industry trends, products, and technologies, subscribe to Automotive Technology today.