New Patent Grants for Asia

RNS Number : 3366A
Clean Air Power Limited
31 July 2008

For Immediate Release 31 July 20088

Clean Air Power Limited

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

Clean Air Power Limited (AIM: CAP), the developer of Dual-Fuel* combustion technology that enables heavy-duty diesel engines to run on a
combination of both diesel and natural gas (or biogas), is pleased to announce further patent grants securing further coverage for its
intellectual property in Asia.

These patents relate to technology to be incorporated into Clean Air Power's future product development and cover the region of Asia.
Clean Air Power already has similar patents covering, the European and US geographic regions for this element of Clean Air Power's
technology.

In March 2008, Clean Air Power was granted a patent in China (No. ZL02141920.5), entitled "Gas-Fueled Compression Ignition Engine",
which covers MicroPilot* - the next generation of Dual-Fuel* Technology. This, the company's 7th Chinese patent, was further strengthened in
the Far East by the grant of the corresponding Japanese Patent No. 412216: "Gas-Fueled Compression Ignition Engine with Maximized Pilot
Ignition Intensity" in May 2008. Both new Asia-Pacific patents correspond to the US Patent 6,598,584 and EU Patent 1,234,966.

MicroPilot* technology uses low-carbon natural gas (or biogas) as the main fuel, ignited by a very small quantity of injected diesel
fuel. A MicroPilot* natural gas engine combines the emissions advantages of a spark-ignited, lean burn natural gas engine, with the high
efficiency and power density of a diesel engine.

MicroPilot* can enhance the use of sustainable bio-methane and bio-diesel by drastically reducing the required quantity of the liquid
fuel. Clean Air Power believes MicroPilot* technology is one of the most efficient options leading to a sustainable energy future.

John Pettitt, CEO of Clean Air Power, commented:

"We are pleased to receive these patent grants which demonstrate our strategy to protect intellectual property globally. This strategy
aims to protect not only the current product range but also the technology we plan to incorporate into our future products."

For further information contact:

Clean Air Power

John Pettitt, Chief Executive
Peter Rowse, Finance Director
Tel: +44 (0)1494 527110

Canaccord Adams Limited
Robert Finlay
Bhavesh Patel
Tel: +44 (0)20 7050 6500

Buchanan Communications
Charles Ryland
Ben Willey
Ben Romney
Tel: +44 (0)20 7466 5000

Notes to Editors:
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.
Dual-Fuel* engines can run on Natural Gas or renewable biogas. 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.

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

This information is provided by RNS
The company news service from the London Stock Exchange

END

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