RNS Number:9853T
QuestAir Technologies Inc
11 November 2005


For Immediate Release                                         11 November, 2005

  QuestAir and ExxonMobil Research and Engineering Company begin 2nd phase of
                 project to develop on-board hydrogen generator

BURNABY, B.C. - QuestAir Technologies Inc. (AIM: QAR; TSX: QAR) announced today
that it has received a US$1.2 million (C$1.4 million) engineering services
contract from ExxonMobil Research and Engineering Company ("EMRE") to support
the development of an on-board hydrogen generator for potential use in a range
of transportation markets.

Jonathan Wilkinson, President and CEO of QuestAir, said the contract, which is
expected to run for approximately one year, is the second received from EMRE in
support of this program. QuestAir completed the first phase of the program in
October 2004 under an initial US$1 million (C$1.2 million) contract. The
contract announced today covers the application of QuestAir's proprietary
mechanical technology in EMRE's proprietary fuel processor (or "reformer")
design.

"The supply of hydrogen fuel is a key challenge in the commercialization of
early motive fuel cell markets such as fuel cell powered utility equipment,
auxiliary power units (APUs) for a wide range of vehicles, and fleet buses. The
hydrogen generator that EMRE and QuestAir are developing should offer a compact,
efficient solution to generate hydrogen directly on board the vehicle itself.
One of the key advantages of the system is its flexibility to use a range of
readily available hydrocarbon fuels," Wilkinson said.

About QuestAir Technologies Inc.
QuestAir Technologies, Inc. is a developer and supplier of proprietary gas
purification systems for several large international markets, including existing
markets such as oil refining, biogas production and natural gas processing, and
emerging markets such as fuel cell power plants and fuel cell vehicle refueling
stations. QuestAir is based in Burnaby, British Columbia and its shares trade on
the AIM Market of the London Stock Exchange Plc. and on the Toronto Stock
Exchange under the symbol "QAR".

Forward-looking statements
Certain statements in this press release may constitute ''forward-looking''
statements which involve known and unknown risks, uncertainties and other
factors which may cause the actual results, performance or achievements of the
Company, or industry results, to be materially different from any future
results, performance or achievements expressed or implied by such
forward-looking statements. When used in this press release, such statements use
such words as "anticipate", "believe", "plan", "estimate", "expect", "intend",
''may'', ''will'' and other similar terminology. These statements reflect
current expectations regarding future events and operating performance and speak
only as of the date of this press release. Forward-looking statements involve
significant risks and uncertainties, should not be read as guarantees of future
performance or results, and will not necessarily be accurate indications of
whether or not such results will be achieved. A number of factors could cause
actual results to differ materially from the results discussed in the
forward-looking statements.

Contact Information:

QuestAir Technologies Inc.
Andrew Hall
Director, Corporate Development and External Communications
Phone: (001) 604-453-6967
Email: hall@questairinc.com
Web: www.questairinc.com

UK media contact:
Charles Ryland
Ben Willey
Eleanor Williamson
Buchanan Communications
Phone: 020 7466 5000

Canadian media contact:
Terry Foster
James Hoggan + Associates
Phone: (001) 604-739-7500



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

END
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