As Canada’s federal government contemplates imposing tariffs on Chinese electric vehicles (EVs) to counteract China’s aggressive market strategies, questions arise about the potential impacts and the future trajectory of the EV market.
In our research, which spans an array of consumer products from simple plastics to EV batteries, we focus on evaluating the effectiveness of battery-powered vehicles in reducing transportation-related carbon emissions.
Market Challenges
In Canada, EV sales have been waning. Several factors contribute to this trend, including concern over the batteries’ lifespan which appears shorter than expected.
The fundamental difference between EVs and traditional internal combustion engine vehicles lies in their batteries. Recent observations by Canadian EV owners indicate that the batteries deteriorate faster than manufacturers claim, likely due to testing in milder conditions compared to Canada’s harsh winters.
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This has led to difficulties in the resale market for EVs. As the cost of new EVs decreases, many consumers prefer purchasing new models over used ones due to fears of inheriting inefficient and degraded batteries. Furthermore, battery performance declines in cold weather, exacerbating range issues.
(AP Photo/Lekan Oyekanmi)
Life Cycle Considerations
Conducting life cycle assessments (LCAs) on EVs provides a comprehensive review from manufacturing to disposal, accounting for material use, energy efficiency, emissions, and waste.
These assessments help determine whether EVs are meeting environmental goals. A growing concern is the realization that batteries, often reaching only half their expected lifespan, pose challenges in terms of safe and efficient recycling.
Although EVs generate less operational waste than comparable combustion engine vehicles, their environmental advantage lessens with the battery waste problem post-use.
Production ethics also raise significant concerns. The mining of essential elements such as lithium and cobalt is fraught with both environmental degradation and human rights issues, a notable problem given the lack of ethical sourcing standards in the mining industry.
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(AP Photo/Rodrigo Abd)
Strategy Reevaluation?
While many Canadians consider EVs a more sustainable alternative to gasoline vehicles, the downturn in sales and potential new tariffs could encourage a shift towards locally produced EVs or more sustainable public transportation options.
However, broader environmental and ethical challenges remain to be addressed. Without improvements in battery technology, recycling processes, and ethical mining practices, the decision to purchase an EV may not be as beneficial for the planet as many consumers believe.
This article was developed with contributions from research assistant Guzal Mamadalieva and sessional instructor Regan Lipes.
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Words by: Craig Clowes
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theconversation.com