Post date: Thu, 04/05/2018 - 2:32pm
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Content Type: News Item
Principal Investigators: John MacArthur, Portland State University; and Christopher Cherry, University of Tennessee
Learn more about this education project by viewing the Executive Summary and the full Final Report on the Project Overview page.

If more drivers switched seats to a bicycle, there would be immediate and tangible benefits on the road. Widespread adoption of bike commuting could improve public health through increased physical activity and reduced carbon emissions, as well as ease the burden on congested roads. However different lifestyle demands, physical ableness, and varied topography create an unequal playing field that prevents many from replacing their car trips.

Electric bicycles (e-bikes) are a relatively new mode of transportation that could bridge this gap. If substituted for car use, e-bikes could substantially improve efficiency in the transportation system while creating a more inclusive biking culture for people of all ages and abilities.

A ...

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Post date: Tue, 11/17/2015 - 2:35pm
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Content Type: TREC in the News
Post date: Wed, 11/26/2014 - 11:15am
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Content Type: Blog entry

Over the last couple years, electric bicycles (e-bikes) have been gaining momentum. E-bikes may play an important role in addressing cities’ transportation and public health problems by getting more people out of cars and onto bicycles. But as the number of users increase, so too will potential conflicts (actual or perceived) with other road users, causing policy questions to arise.

The current state of e-bikes regulation varies dramatically across state and local jurisdictions, causing confusion. The confusion stems from the wide variety of devices and technologies on the market, perceived overlap of legal entities’ jurisdiction over the device, outdated or absent laws and regulations, and inconsistency of terms used to describe e-bikes. This confusion creates uncertainty for manufacturers and dealers and makes riders wary of embracing e-bikes.

One of the biggest concerns people have about e-bikes and their use, especially on shared-use paths, is speed.  Currently, the Consumer Product...

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Post date: Tue, 07/15/2014 - 9:57am
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Content Type: News Item

As part of an ongoing project studying the use of electric-assist bicycles, or e-bikes, a research team led by TREC's John MacArthur conducted an online survey of e-bike users on their purchase and use decisions. The results, highlighted in this infographic, suggest that e-bikes enable people to bike more often, bike farther and carry more cargo than on a traditional bicycle. In addition, e-bikes let people ride a bike who otherwise could not because of physical limitations or distance.

Click image for larger version:OTREC e-bike infographic Please include attribution to trec.pdx.edu

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Post date: Mon, 06/03/2013 - 10:43am
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Content Type: News Item

Even as Portland racks up bike-friendly honors, ongoing research at Portland State University is shedding light on a new travel option that promises to get even more people on two wheels. Electric-assist bikes, or e-bikes, could hold the key to increasing cycling, particularly among women, older adults and people with physical limitations.

Portland State researchers Jennifer Dill and John MacArthur are exploring people’s perceptions and attitudes toward e-bikes and evaluating their use to see if these bikes encourage new cyclists. This spring, they’re loaning out locally made, GPS-equipped e-bikes to 120 people to learn about people’s actual experience using the bikes, marking the first time such research has been done in the country. 

The research also includes a survey on e-bike use, which will help others understand the potential market. People who have ridden e-bikes can participate in this research by taking the survey at tinyurl.com/e-bike-survey.

E-bike use is increasing in North America, with many people switching from private cars and others using e-bikes to keep cycling as they age or after an injury. Increased use brings increased scrutiny, and efforts are already underway to limit where e-bikes can go and who can ride them. Many states require e-bike riders be licensed, set age limits or both.

Some local regulations prohibit e-bikes on bicycle and pedestrian paths. The city of Toronto,...

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