Fuel cells are now being adopted in the area of materials handling equipment that includes fork lifts as well as in the field of telecommunications, says Pivovar.

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AV's industrial fast charging systems support thousands of electric materials handling vehicles in mission-critical supply chains for Fortune 500 enterprises.

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But its cashflow and the disposal of its materials-handling business should reduce that quickly, says Mr Reitzle.

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The company designs and manufactures a range of equipment used in the recycling, materials handling and quarrying industries.

BBC: Arlene Foster and Damian McArdle