With the E-tron, Audi Shows What an Electric SUV Can Be

Masdar City, a squeaky-clean planned city under development outside Abu Dhabi, grew from the sand with a single vision: help the United Arab Emirates wean itself off its own vast oil reserves. The 10-year-old micro-metropolis serves as an incubator for clean-technology companies. It incorporates the latest design and construction strategies to minimize its energy consumption. It runs solely on renewable energy.

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