
Maddy is an analyst with the Transportation and Urban Solutions team at the Pembina Institute, Canada’s leading clean energy think tank. In her role, she conducts research and engages with stakeholders to support the adoption of clean transportation in Canada.
Prior to joining the Institute, Maddy completed a master’s degree at the University of Toronto in the Department of Civil & Mineral Engineering. Her research focused on evaluating low-carbon alternatives to diesel fuel for long-haul trucking in Canada using multi-criteria decision making tools and insights from stakeholder interviews. She also conducted research on the evaluation of biofuels for heavy-duty transportation using life cycle assessment. Maddy has presented her research at several international conferences across North America.
Outside of work, Maddy enjoys the cultural delights that Toronto has to offer. In particular, she enjoys discovering new restaurants and seeing live music.
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Maddy Ewing's Recent Publications

A hydrogen strategy can help Ontario achieve climate targets Submission to the Ontario Ministry of the Environment, Conservation and Parks in response to its hydrogen strategy discussion paper
PublicationOn behalf of the Pembina Institute, Carolyn Kim and Maddy Ewing submitted comments in January, 2021, to the Ontario Ministry of the Environment, Conservation and Parks, following a request for feedback that will inform the province’s first ever hydrogen strategy.

Buyers’ remorse: How the rush in online shopping hurts the planet Amid Black Friday and the COVID-19 pandemic, e-commerce has surged — but do consumers know the carbon emissions that can come with that?
Op-edE-commerce sales – which were already on the rise before the pandemic – are now skyrocketing. But as the vast systems of e-commerce and shipping kick into high gear to allow millions of deliveries to be made on time, and as more Canadians develop online shopping habits, we should also be thinking about the choices we’re making as consumers when we click the checkout button, and how they affect the environment.

Hydrogen on the path to net-zero emissions Costs and climate benefits
PublicationHydrogen is increasingly being discussed as a promising fuel that could reduce the amount of fossil fuels burned in several sectors. However, the climate advantage of hydrogen is highly dependent on how it is produced.

Why we need a smarter approach to online shopping How to get your package delivered with lower environmental impacts
BlogThe pandemic-driven growth in online shopping comes atop an already rapidly changing goods movement landscape.