Bike sharing goes big — but can it get over its little helmet problem?

By Daniel Penner, Grist
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the [required helmet bike share] “program’s 600-bicycle fleet averages 70 trips per day, 10 percent the usage of comparable programs in London and Dublin, not accounting for differences in density and land use.”
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<a href="http://grist.org/cities/bike-sharing-goes-bigtime-but-can-it-get-over-its-little-helmet-problem/">http://grist.org/cities/bike-sharing-goes-bigtime-but-can-it-get-over-its-little-helmet-problem/</a>;