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Posted on October 05, 2016

Emissions from transport are about to surpass those from electricity

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In the US, carbon dioxide emissions from electricity generation, primarily coal, have long been the main air polluter in the country, but it's about to change. Continuing its long declining trend since the 2008 financial crisis, emissions from electricity generation are about to be surpassed by emissions from the transportation sector in the US.
Unfortunately, it's not only because emissions from electricity generation are declining, but also because emissions from the transportation sector have actually increased in recent years as the economy continued to grow and gas prices are staying relatively low.
A study from the University of Michigan Energy Institute (via Technology Review), which plotted the chart seen above, attributes the decline in emissions from electricity generation to the increase in renewable energy deployment and the shift away from coal toward cleaner-burning natural gas as a way to generate electricity:
The study predicts that the emissions from the transportation sector will surpass those from electricity generation by the end of the year in the US.
Of course, the emissions from the transportation sector include everything from planes to trucks to passenger cars. Therefore, it may take some time before electric vehicles have a significant impact, but the fact that electricity generation is becoming cleaner is a good sign that the impact of EVs will be more significant.
The electric cars on the road today are being powered by electricity that on average creates significantly less emissions than just a few years ago. The trend is likely to continue with the cost of solar going down and deployment of capacity going up.
Ultimately, it means that vehicles with combustion engines that we replace by electric powertrains have a greater impact on emissions today than ever before.
Source and top image: Elektrek
Learn more at the next leading event on the topic: Energy Independent Electric Vehicles 2017 External Link on 27 - 28 Sep 2017 in TU Delft, Delft, Netherlands hosted by IDTechEx.