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There aren't many visual reminders that the 2011 Chevrolet Silverado HD trucks are virtually all new beneath the sheetmetal. If we were talking about a midsize sedan that might be a problem, but truck owners will be happy all the development money went into a new Duramax engine, an all-new frame, and significant upgrades to payload and towing capacities instead of new body panels.

Make no mistake, the Mazda Kiyora is not a concept car. At least, not as the term is typically used these days, when what is presented as an idea about the future is in fact a hastily restyled upcoming production car, presented to prepare public opinion in advance: "Wow, the new Thingamajig came from the Chimera concept car." No way will we see versions of the Kiyora on the streets anytime soon. Or ever.

BMW’s electric “Megacity” vehicle may be approximately five years away from reaching production, but that’s not stopping the automaker from toying with electric vehicles to develop, test, and refine the technology. After sending nearly 600 electrified Mini Es into the world, BMW will prepare a second batch of test cars, which will closely resemble the Concept ActiveE shown here.inline_mediumwraptextright2010 BMW ActiveE Concept31724178/green/news/0912_2010_bmw_activee_conceptP90054926.jpgTrue