CAP.L Regulatory News (CAP)

For immediate release 5 May 2010

Clean Air Power Ltd

 ("Clean Air Power" or "the Company")

New Agreement

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, today announces that it has received a purchase order from a leading global manufacturer of construction equipment to develop a Dual-Fuel Snow-Blower demonstrator to be delivered to Stockholm airport, Sweden.

Under the terms of the agreement, Clean Air Power will convert two 9 litre engines using its patented Dual-Fuel™ combustion technology with the purpose of demonstrating the efficiency and cost saving capabilities that its technology offers end users. To this effect, the target is to reach a 50% substitution level, which is the measure of energy substituted by gas. Once converted, the vehicle must also demonstrate drivability and robustness. The demonstration is due to be completed by May 2011.

Commenting on the agreement with, John Pettitt, CEO of Clean Air Power said:

"We are delighted to have entered this new agreement as it is yet another endorsement of Clean Air Power's technology. It also highlights the wide range of vehicles and products that can be enhanced through the integration of our Dual-Fuel™ combustion technology and we hope that this demonstration will successfully lead to potential new opportunities."

For further information:-

Clean Air Power Ltd 01494 527110

John Pettitt

Peter Rowse

Buchanan Communications 020 7466 5000

Charles Ryland

Ben Romney

Charles Stanley Securities 020 7149 6000

(Nominated Adviser and Broker)

Russell Cook / Jen Boorer

Notes to Editors

About Clean Air Power

Clean Air Power is the developer and provider of Dual-Fuel™ combustion technology for heavy duty diesel engines. Dual-Fuel™ engines substantially cut fuel costs and carbon emissions without sacrificing the original engine's characteristic efficiency or reliability. Clean Air Power is well positioned to assist corporations and governments to deliver on their environmental commitments while at the same time reducing transport operators overheads.

Initially founded in the USA in 1991, around £40m has been invested in developing the technology with the result that 62 patents are currently held or pending. The holding company of the Group is based in Bermuda with operational subsidiaries in the UK, the USA and Australia. The Group was admitted to the AIM market of the London Stock Exchange in February 2006.

Further information on Clean Air Power is available at www.cleanairpower.com