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Study finds GHG emissions from corn ethanol now 46% lower than gasoline

Green Car Congress

A new study by a team from Environmental Health & Engineering (EH&E) has found that greenhouse gas emissions from corn ethanol are 46% lower than those from gasoline—a decrease in emissions from the estimated 39% done by previous modeling. gCO 2 e/MJ) which is 46% lower than the average carbon intensity for neat gasoline.

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U-M researchers challenge USPS EV environmental study

Green Car Congress

A new University of Michigan study finds that making the switch to all-electric mail-delivery vehicles would lead to far greater reductions in greenhouse gas emissions than previously estimated by the US Postal Service (USPS). The Postal Service said in February that at least 10% of the new mail trucks would be electric.

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DOE proposes revising procedures for calculating petroleum-equivalent fuel economy of EVs for use in CAFE calculations

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The change, petitioned for by the Natural Resources Defense Council and Sierra Club in 2021, would decrease the EV fuel economy values used in calculating CAFE compliance, thereby forcing automakers to either sell more EVs or to improve their other models to remain in regulatory compliance. Background. Proposed PEF.

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PSI team develops web tool for consumers to compare environmental impact of passenger cars in detail

Green Car Congress

Depletion of fossil energy resources [kg oil-eq.]. Depletion of metal resources [kg iron-eq.]. The program guides the interested layperson through a selection of parameters: which type of engine should be used, gasoline-burning or diesel, for example, or one powered by natural gas, a fuel cell, or a battery. in review).

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Looking to get in a hybrid for cheap? Used Toyota Prius 1.5 HSD 2004-2009 Review

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People might be bored reading about the Prius but a review on four Priuses (2004, 2005, two 2006s) that my family owns that ran a total of 913k km (570k miles) should be interesting, right? Having enough electric charge to last a 5-15 minute in silence in a traffic jam. During reversing, the Prius is powered only by the electric motor.

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New UMTRI paper reviews major advantages and disadvantages of battery-electric and fuel-cell vehicles

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A new report from the University of Michigan Transportation Research Institute (UMTRI) reviews the major advantages and disadvantages associated with battery-electric vehicles (BEVs) and fuel-cell vehicles (FCVs). In their report, Schoettle and Sivak used a national average fuel price for electricity of $0.12/kWh

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Coltura: Supreme Court precedent means states can require all new vehicles sold be electric

Green Car Congress

Recent US Supreme Court precedent has opened the door for states to enact laws requiring all new cars sold in the state to be electric as of a certain date, according to a paper by the nonprofit Coltura published in the University of Michigan Journal of Environmental and Administrative Law. Its vision is a gasoline-free US by 2040 or sooner.