It's a journey that's kept inventor and electrical engineer Jeff Guida busy for the past nine months. The former hedge fund analyst is testing a small, portable engine-in-a-box which gives an electric... more 
It's a journey that's kept inventor and electrical engineer Jeff Guida busy for the past nine months. The former hedge fund analyst is testing a small, portable engine-in-a-box which gives an electric boost to heavy city rental bikes. Tara Cleary reports. less 
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Fri, Mar 28, 2014 5:07 PM EDT