The press previews at the New York International Auto Show ran the gamut from glitzy-see the Mercedes E-Class debut-to downright dirty, as in the mud-soaked reveal of the four-door Jeep Wrangler. Either way, there was plenty of technology on view, as automakers continue to tread the fine line between high performance and high efficiency.
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Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.