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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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Maxwell supplying ultracaps to ABB for hybrid version of Philadelphia rail energy recuperation system

Green Car Congress

Rather than having the braking energy be dissipated, the ENVILINE Energy Recuperation System (ERS) saves the surplus braking energy of the train by returning it back to the AC grid. When used with batteries, ESS can also provide emergency power and generate revenues by participating in the local energy markets.

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

Green Car Congress

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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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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The question of electricity costs vs. health and environmental cost is important to ask everywhere, Michalek said. Electric vehicle charging may affect these trends. Finally, the additional electricity demand from charging vehicles will affect the operations of the power system and potentially affect the costs of electricity.

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PJM/Better Place study finds unmanaged charging of 1M electric cars could add $750M in annual wholesale energy costs; need for CNO-managed smart charging

Green Car Congress

Simply plugging in one million electric cars (unmanaged or ad hoc charging) could add $750 million in annual wholesale energy costs unless smart charging is adopted, according to a joint study conducted by PJM Interconnection and Better Place, released by Better Place. the TOU electricity prices. Prices); and f) real-time LMPs.

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EPA issues RFI on end-of-life management of batteries

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EPA is interested in both single-use batteries (primary batteries), and rechargeable batteries (secondary batteries). Written comments and information must be received on or before 11 July 2022. EPA will also hold feedback sessions with an opportunity to provide live, verbal feedback.

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Another cut at US electric vehicle range requirements and usage patterns; fully-charged LEAF could handle 83-95% of all driving days

Green Car Congress

Cumulative distribution curve for daily driven distance by cars that were used on the Travel Day (representing 61% of all cars owned by the participating households). They projected the results on typical range bins seen in the portfolio of electric cars that are available as of 2011. Data source: NHTS 2009. Click to enlarge.