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Study of eco-driving in hybrids finds need for systems that facilitate energy-efficient behaviors

Green Car Congress

As an example, some of the results suggested that there might be something like an “energy conversion fallacy”—many drivers were not aware of the considerable losses incurred when converting energy, and often reported over-utilization of electric propulsion and regenerative braking, overvaluing their energy efficiency.

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GM, Segway to Make Vehicle - WSJ.com

Tony Karrer Delicious EVdriven

GM has slashed product-development programs, advertising and spending on auto-show events. The quality of conversations can deteriorate when real identities are not provided. But it will take to the streets of Manhattan on Tuesday to show off a prototype of the vehicle, called PUMA, for Personal Urban Mobility and Accessibility.

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PNNL study outlines requirements for grid storage, reviews four electrochemical energy storage systems: vanadium redox flow, Na-beta, Li-ion and lead-carbon

Green Car Congress

In addition to outlining requirements for ESS and general guidelines for investigating technologies, the paper by Yang et al., The most commonly used systems today work by converting electricity to kinetic (e.g., This conversion produces a short, powerful burst of energy, such as needed to jump start a vehicle.

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