The focus is on the joint development of electrical drive technology, power electronics and charging technology as well as the integration of those systems into Volvo C30 Electric vehicles.

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First, by an apprenticeship, or attending other union-employer supported programs like the Energy Workforce Development Program, formed by a consortium of electric utility companies and the International Brotherhood of Electrical Workers.

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Also on Wednesday, the e-commerce development group, bizzbuild.com, announced the sale of its subsidiary Value Direct to Home Electrical Direct.

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Other aircraft, including the Airbus A380, have had problems during rollout, said University of Dayton professor Raul Ordonez, an aircraft electrical and computer engineer who spent time observing Dreamliner development at Boeing's Seattle headquarters.

CNN: Dreamliner fix: 'It's not easy'

Discharging the battery too quickly, or with too low voltage, can also cause it to overheat, said University of Dayton professor Raul Ordonez, an aircraft electrical and computer engineer who spent time observing Dreamliner development at Boeing's Seattle headquarters.

CNN: Quick fix for Dreamliner looks less likely, experts say

Unlike Toshiba, which pioneered the laptop computer and has learnt to live with the jittery pace of development and capital expenditure of the computer industry, Hitachi still saunters to the 20-year product cycle of heavy-electrical machinery.

ECONOMIST: Hitachi��s snail-like progress