Caterpillar Forms Alliance with CleanAIR Systems to Reduce Emissions

New alliance between Caterpillar(R) and CleanAIR Systems offers customers a
complete emissions solution for existing applications.

PEORIA, Ill., July 23 /PRNewswire-FirstCall/ -- Caterpillar Inc.
(NYSE: CAT), the world's leading manufacturer of construction and mining
equipment, clean diesel and natural gas engines and gas turbines, recently
selected CleanAIR Systems, Inc. of Santa Fe, New Mexico, as its strategic
alliance partner for emission retrofit products. These products are installed
into existing applications in order to reduce hydrocarbons, nitrogen oxides
and diesel particulates.
"Caterpillar is a leader in machine and engine technologies, and we are
pleased to align with another leader in the emissions retrofit industry. This
is another step in our sustainability journey to position Caterpillar as a
comprehensive emission solutions provider," stated Bill Springer, vice
president of the Marketing & Product Support Division.
Our alliance encompasses CleanAIR's proprietary technology, custom
engineering capability and flexible manufacturing of diesel particulate
filters, oxidation catalysts, three-way catalysts and selective catalytic
reduction catalysts. Caterpillar will provide system integration capability,
engineering and marketing support, as well as assistance to enable CleanAIR to
meet growing demand from Caterpillar's broad customer base.
"CleanAIR and Caterpillar are a perfect fit," said Michael Roach,
President of CleanAIR Systems. "Due to our extensive product base and
established performance history, Caterpillar feels our company has what it
takes to work alongside them in the emissions control business. The alliance
will increase our market exposure as well as introduce CleanAIR products to
Caterpillar dealers around the world."
The agreement between Caterpillar and CleanAIR also allows Cat dealers to
effectively meet customers' stringent air quality requirements by offering a
responsive and competitive solution. The ability to sell CleanAIR's retrofit
systems permits Cat dealers to offer products customized for specific
applications, the latest in product technologies and direct access to
dedicated product support.
The relationship between Caterpillar and CleanAIR Systems is part of a
long-term strategy that combines the strengths of both companies, creating a
formidable team to deliver cost-effective solutions to customers' increasingly
complex emissions challenges.
About Caterpillar
For more than 80 years, Caterpillar Inc. has been making progress possible
and driving positive and sustainable change on every continent. With 2007
sales and revenues of $44.958 billion, Caterpillar is the world's leading
manufacturer of construction and mining equipment, diesel and natural gas
engines and industrial gas turbines. The company also is a leading services
provider through Caterpillar Financial Services, Caterpillar Remanufacturing
Services, Caterpillar Logistics Services and Progress Rail Services. More
information is available at http://www.cat.com.
About CleanAIR Systems:
Established in 1993, CleanAIR Systems is a technology-based corporation
manufacturing emissions control systems with worldwide distribution.
CleanAIR's products are designed to control air pollution such as diesel
particulate matter and NOx for internal combustion engines and gas turbines.
Visit CleanAIR Systems online at http://www.cleanairsys.com.
SOURCE Caterpillar Inc.

Michael Keys of Caterpillar Inc., +1-309-675-1655, Keys_Mike_D@cat.com