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Tests confirm Envia Systems’ lithium-ion battery breakthrough

Envia Systems announced today that a test sponsored by ARPA-E has verified the company’s impressive claims for its new battery cells. Envia’s prototype juice boxes have achieved an energy density of 400 Watt-hours/kilogram – the highest ever recorded for a rechargeable lithium-ion cell. We’ll leave the hyperbole to the marketing folks, and settle for a… Read more »

New report assesses the $2.3-billion market for marine EVs

EVs are not only rolling on the roads, they are puttering over waterways as well. Who knew? Well, in fact the world’s navies have relied on electric propulsion for a century – submarines (non-nuclear) are powered by diesel/electric hybrid systems, and have been since World War One. Some nuclear ships are also EVs in a sense,… Read more »

Brown goes green as UPS orders 100 electric delivery vans

UPS plans to power up 100 new electric delivery vans in California early in 2012, replacing legacy diesel trucks and saving 126,000 gallons of fuel a year. The new brown beauties are built by Electric Vehicles International (EVI), a Stockton, California firm that’s been making commercial vehicles for 20 years. EVI’s walk-in van comes in… Read more »