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King County Metro putting Proterra electric buses into service

Green Car Congress

According to data collected by other transit agencies operating the Proterra bus, the battery-powered vehicles generate a cost savings of 49% per mile compared to a hybrid bus, and a 40% savings over a diesel bus. The three battery buses were paid for in part with a $4.7 million federal grant.

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Sodium batteries from Michigan to challenge lithium’s grip – ET Auto

Baua Electric

Sodium-ion batteries offer benefits over their lithium-ion counterparts. They can discharge faster, providing short, intense bouts of power. Modern life runs on lithium-ion batteries , powering smartphones, laptops and electric cars alike. But as dominant as they’ve become, there are other ways to build a battery.

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Chrysler unveils new electric minivan for the US Postal Service

Tony Karrer Delicious EVdriven

Postal Service Minivan - Click above for high-res gallery Chrysler is celebrating Earth Day today by unveiling the first four of what will be a fleet of 250 battery-powered minivans for the U.S. Postal Service (USPS) as part of the USPS Earth Day celebration. Postal Service.

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