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Carbon emissions from generating electricity for electric vehicles vary greatly across the individual US states

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by Michael Sivak, Sivak Applied Research The overall advantage of battery electric over gasoline vehicles, in terms of well-to-wheels emissions of greenhouse gases, has been well documented. On the two extremes, coal and oil result in about 176 times the emissions from hydro. Natural gas 87.9 Geothermal 16.5 Natural gas 87.9

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UMTRI study shows wide global variability in GHG emissions from operating an EV

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A team at the University of Michigan Transportation Research Institute (UMTRI) study has assessed the relative amounts of greenhouse-gas emissions from driving a battery-electric vehicle (BEV) compared with greenhouse-gas emissions from driving a traditional gasoline-powered vehicle in different countries of the world. MPG ghg (0.05

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MIT, Ford researchers find lightweight conventional vehicles could have lower lifecycle GHG impact than EVs depending upon location

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It showed that while electric vehicles provide the greatest impact in reducing greenhouse gas emissions for most of the country, especially on both coasts and in the south, significant parts of the Midwest had the opposite result, with lightweight gasoline-powered vehicles achieving a greater reduction. Di Wu, Fengdi Guo, Frank R.

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U-M study: When, where, how electric delivery vehicles are charged has big impact on GHGs

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Now, a study from University of Michigan researchers shows that when, where and how those fleet vehicles are charged can greatly impact their potential to reduce greenhouse gas emissions. In 2019, Amazon announced plans to obtain 100,000 electric delivery vehicles. UPS has ordered 10,000 of them and FedEx plans to be fully electric by 2040.

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GTI and CRI/Criterion Inc. sign licensing agreement for IH2 process; direct production of biogasoline and diesel hydrocarbon blendstock

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Lifecycle GHG emissions of renewable gasoline from the IH 2 process (GTI RG) compared to petroleum gasoline and diesel. for GTI’s Integrated Hydropyrolysis and Hydroconversion (IH 2 ) technology, which converts biomass directly into cellulosic gasoline and diesel hydrocarbon blendstocks. Source: GTI. Click to enlarge.

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CMU study finds controlled EV charging can reduce generation cost, but at greater health and environmental costs depending upon the generation mix

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Results from the study also suggest that with sufficient coal plant retirement and sufficient wind power, controlled charging could result in positive net benefits instead of negative. A paper describing the work is published in the ACS journal Environmental Science & Technology. other parts of the US and the world could be different.

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Mascoma Announces Feedstock Processing and Lignin Supply Agreement with Chevron Technology Ventures; Chevron Working on Converting Lignin to Hydrocarbon Fuel Components

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The presence of carbon monoxide in the syngas can assist with the conversion of lignin, and the observed effect is similar to that seen for coal hydroprocessing with syngas compared to hydrogen alone. Chevron says tests have shown that this produced water does not inhibit the lignin conversion.

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