Director/PDMR Shareholding

For immediate release 14 December 2010

Clean Air Power Ltd

("Clean Air Power" or "the Company")

Director / PDMR Shareholding

Clean Air Power (AIM: CAP), the developer of Dual-Fuel™ combustion technology that enables heavy-duty diesel engines to operate on a combination of diesel and natural gas, announces that it has been notified that John Pettitt, Chief Executive, today acquired 100,000 ordinary shares in the Company at a price of 7.5 pence per share.

As a result of this transaction, Mr Pettitt's holding in the Company has increased to 1,000,705 ordinary shares, representing 1.35 per cent. of the issued share capital.

For further information:-

Clean Air Power Ltd 01772 624499

John Pettitt

Peter Rowse

Charles Stanley Securities 020 7149 6000

Nominated Adviser and Broker

Russell Cook / Carl Holmes

Buchanan Communications 020 7466 5000

Charles Ryland / Ben Romney