Newswire

KAIST discovers method to extend Li-air battery life

Researchers from the Korea Advanced Institute of Science and Technology (KAIST) have discovered a means to extend the lifetime of lithium-air (Li-air) batteries, a technology that offers the promise of higher energy densities than those achievable with conventional lithium-ion batteries. They report their findings in the February issue of the journal ChemSusChem. Li-air batteries are… Read more »

Tesla stock blasts off as sales exceed target and profit predicted

It’s no April fool. Tesla Motors has announced that it sold 4,750 units of its Model S electric sedan in the first quarter, cruising past the target of 4,500 that it set in its February shareholder letter. As a result, the company will adjust its Q1 financial guidance from achieving an operating profit (which excludes… Read more »

Mercedes B-Class EV comes to US in 2014, S-Class PHEV in the pipeline

The German automakers are plugging in. Audi introduced its first PHEV, the A3 Sportback e-tron, in Geneva in February, and VW has promised an electric version of its blockbuster Golf later this year. Now Mercedes has unveiled its B-Class Electric Drive at this week’s New York Auto Show. Daimler hasn’t offered many details, but it seems that… Read more »

Long Beach Transit votes to buy BYD buses, Proterra protests

After several delays and much controversy, the Long Beach Transit Board voted on Monday to award a $12.1 million contract to purchase 10 electric buses to a US subsidiary of the Chinese firm BYD. The contract is funded mainly by the federal government’s Transit Investment for Greenhouse Gas and Energy Reduction (TIGGER) program, one of… Read more »

New report: Solid-state batteries will rule by 2030, driven by consumer electronics

A report from technology advisory firm Lux Research predicts that new battery technologies will become strong competitors with existing lithium-ion technology by 2020, and that solid-state batteries will surpass Li-ion by 2030. However, consumer electronics, not electric vehicles, will be the market driving the advances. “While much of the motivation for next-generation batteries – whether… Read more »

Rolls-Royce to supply Azipull propulsion system for Norway’s electric ferry of the future

Rolls-Royce plc has signed a contract to deliver its Azipull propulsion and control system for the battery-powered “ferry of the future.” The new vessel is being built at the Fjellstrand yard in Norway, and will go into service in 2015 on the route between Lavik and Oppedal, across the Sognefjord, operated by Norwegian transport company… Read more »

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