She excitedly speaks of the smart ebike, a bicycle with a 250-watt electric hub motor in its rear wheel, launching as part of a pilot program in 2013.

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The stainless steel enclosure houses the same 1, 400-watt DC brushless motor as the previous models, dispersing HEPA-filtered "sheets" of air through a single laser-cut slit in each of two wings that extend from the Tap's sides.

ENGADGET

The mariner uses a 250 watt free-spinning motor mounted in the front wheel for propulsion and high capacity 36 volt 9 amp hour advanced lithium battery (LiFEPO4) which provide a smooth, powered ride on flat and hilly terrain.

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