Niobium used as catalyst in fuel cell

Brazil is the world's largest producer of niobium and holds about 98 percent of the active reserves on the planet. This chemical element is used in metal alloys, especially high-strength steel, and in an almost unlimited ...

Cars: A brand-by-brand look at new 2017 models

With the new models that automakers are rolling out for 2017, you can wrap yourself in luxury, get thrown back in your seat with the thrill of high horsepower, sit high in an SUV or load your stuff into a functional new hatchback.