If you’ve been to London recently you may have noticed packs of dark green and brown ebikes lining the city’s streets. They belong to Forest, an aptly named startup that claims to be London’s cheapest and most sustainable shared ebike operator.   Its success stems from an advertising model unique to the world of micro-mobility.  Forest’s main competitors in the capital are Lime and Tier. All three ebike sharing schemes work in much the same way.  You open an app, find an ebike bike near you, scan a QR code, and get pedalling. You usually pay an unlock fee and then…

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