Altair registration

Altair Nanotechnologies Inc. of Reno filed a shelf registration statement with the Securities and Exchange Commission covering the offering of as much as $150 million in common stock and warrants during a three-year period.

Terry Copeland, president and chief executive officer of the developer of energy storage systems, said Altair has no immediate plans to sell additional stock but wants to be able to move quickly to add to its manufacturing capabilities.