Many of their most advanced products will be featured at the SAE
2006 World Congress in Detroit, April 3 - 6, 2006.
MANN+HUMMEL is a leader in the development of Hydrocarbon Absorption
technology to meet expanded California emissions requirements. The CARB PZEV (Partial Zero Emissions Vehicle)
regulations are among the most difficult to achieve.
MANN+HUMMEL, is a development partner and original equipment supplier for
the international automotive industry. These products , including an Air Cleaner
with integrated Beauty Cover and Hydrocarbon Trap, will be displayed at the
MANN+HUMMEL SAE 2006 exhibit, in booth # 1532.

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"This contract award furthers our valued relationship with
Frontier Refining and illustrates ENGlobal's commitment to its clean
fuel refining customers ," said Michael L. Further
information about the Company and its subsidiaries is available at
www . One technology that allows for the reduction of
NOx exhaust emissions is Urea Injection.
The turbine, driven by the pressure difference at the throttle body, powers
the compressor.

refinery refining

Benson, Peter J.com .

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com

MANN+HUMMEL
has developed a urea filtration module that integrates the functions of
filtration, heating, and temperature- and pressure-regulation sensors, all
integral components for these Urea injection systems. In 2005, the company
achieved sales of $1. The MANN+HUMMEL Group currently employs
approximately 9,300 people at around 41 locations worldwide.

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ENGlobal
estimates revenues from the contract to be approximately $7 million.

MANN+HUMMEL Uses Innovative Technology to Meet Environmental Challenges

Both U. The compressor provides the exhaust system with fresh air.

refinery aerosol

Peter Loftus has a broad background in the aerothermal sciences and in
energy technology research and development, specializing in energy
conversion, combustion and emissions control technologies as applied to
industrial heating, power generation, and other thermal conversion
processes.
The solution consists of hydrocarbon adsorptive media permanently
installed in the vehicle's air intake system -- usually in the air cleaner
assembly.

About MANN+HUMMEL
The MANN +HUMMEL Group is an international company.

thermodynamics vapour

ENGlobal anticipates that it
will be responsible for the labor, supervision, and materials and
equipment procurement required for the design, engineering ,
fabrication, installation and construction for its portion of the
project. In 2004, the Company was named the fastest
growing engineering firm in the United States by ZweigWhite.

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Benson , Loftus, and Pellizzari can be reached at:

ENVIRON
274 Main Street
Groton, MA 01450
Tel: +1 978 448-8788
Fax: +1 978 448-8825
cbenson@environcorp. The Company,
with its subsidiaries , now employs over 1,300 employees in over 10
offices and occupies over 275,000 square feet of office and
manufacturing space. However, the MANN+HUMMEL solution is sufficiently cost effective that
the OEMs could choose to spread their HC-trap costs over a given vehicle's
entire volume to reduce manufacturing complexity.

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, is pleased to announce the association of Principals
Charles E.
One of the product innovations, the Secondary Air Charger, helps meet
stringent emissions requirements by introducing fresh air into the exhaust
system to improve the oxidation of NMHC and CO and reducing the time to heat
up the catalyst.

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He has directed the development of advanced
fired process heater technologies for refineries and chemical plants and
ultra-low-emissions burners for industrial boilers.
The Frontier Cheyenne project is designed to add flexibility to
Frontier's clean fuels program and to help Frontier meet future sulfur
limits of its refined petroleum products. Reference is hereby made
to cautionary statements set forth in the Company's Form 10-K for the
year ended Dec. Among other matters, there can be no assurance the
Company will provide significant services under its new contract or
that the provision of those services will be profitable.
Only vehicles that must pass the CARB PZEV requirements require an HC-
trap.6 billion.

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com
ploftus@environcorp.E. In addition,
the information contained in this press release is also subject to the
risk factors identified in the Company's Annual Report on Form 10-K
for the year ended Dec. Ever sensitive to
dealing with the need to recycle components, MANN+HUMMEL also is the source of
the world's first all-plastic oil module and metal free filter elements.
Compared to secondary air pumps, the secondary air charger provides
advantages in performance, packaging and weight.

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He has extensive experience in the design and development of
low-NOx combustion systems and novel NOx, SO2 and particulate control
technologies, as well as alternative fuels and fuel processing
technologies. An
expert in the practical application of computational fluid dynamics
modeling techniques, he is the inventor for over a dozen patents , granted
and pending., has been awarded
an engineering, procurement and construction contract from Frontier
Refining Inc. Under the contract, ENGlobal expects to provide lump sum
turn-key project services for modifications to produce ultra low
sulfur diesel at Frontier's Cheyenne, Wyo . Work begins immediately on the engineering and design
phase with completion scheduled during the spring of 2006., new diesel emissions regulations and cleaner diesel fuels
slated for 2006 raise the need for innovative engine-performance solutions. and European automakers recognize the opportunities created by these
changes and are planning to increase their offerings of clean diesel-powered
vehicles to their customers.

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Ewire -- Robert L. Urea, an ammonia-based aqueous
solution, is injected into the exhaust stream where it reacts with the NOx to
release harmless Nitrogen and water vapor into the atmosphere.

ntrs separations

S., refinery."
Duncan Wohlgenant, vice president and refinery manager, Frontier
Refining Inc. The media collects, or traps, all hydrocarbon fumes emanating from
the intake system after engine shutdown and holds them until the engine is re-
started; at which time the fumes are released into the incoming air stream and
burned in the combustion process. In addition, MANN+HUMMEL 's
HC-trap can be integrated into the air cleaner system in either a 'full-flow'
or 'bypass' version for greater packaging flexibility.
The Secondary Air Charger (SAC) is integrated into the air induction
system of the engine.

catalysis aerosol

Burrow, P. Actual results
and the timing of certain events could differ materially from those
projected in or contemplated by the forward-looking statements due to
a number of factors detailed from time to time in ENGlobal's filings
with the Securities and Exchange Commission. The CARB
(California Air Resources Board) Evaporative Emission Standards are the most
stringent in the world. Further information about
MANN+HUMMEL can be found under http://www.

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Business Editors/Energy Editors

HOUSTON----ENGlobal Corporation
(AMEX:ENG), a leading provider of engineering services, announced
today that its subsidiary, ENGlobal Engineering Inc. The company
develops, produces and sells technically complex automotive components such as
air filter systems , intake manifold systems, liquid filter systems and cabin
filters for the automotive industry, and filter elements for vehicle servicing
and repair.

ammonia calculated

ENGlobal Awarded $7 Million Contract from Frontier Refining Inc.

, chairman and
chief executive officer of ENGlobal Corporation., said, "We believe the contract with ENGlobal will help
us reliably achieve the new ultra low sulfur diesel regulations and we
look forward to working with them.

DETROIT, MANN+HUMMEL, a leader in combining
engineering technologies, uses innovative components crafted of advanced
materials, sophisticated plastics and composites to provide automakers with
the tools required to produce environmentally responsible, fuel-efficient
vehicles.S. For general engineering, process engineering and industrial
manufacturing sectors the company's product range includes industrial filters,
filter systems , and materials handling systems and equipment. MANN+HUMMEL's
customers come from a large number of sectors, with series production for the
automotive industry occupying a key position.

thermodynamics catalysis

He has evaluated
technology options for reducing greenhouse gas emissions from exploration,
production , refining, and chemicals operations and for reducing consumption
of natural gas associated with chemical manufacturing.

An international environmental and health sciences consulting firm, ENVIRON
practices from more than 40 offices in the Americas, Europe, and Asia
Pacific. It consists of a turbine wheel and compressor wheel.mann-hummel.

aerosol floorplan

Loftus, and Roberto Pellizzari in the firm's
Boston-area office , where they will play key roles in establishing an
Energy & Environmental Technology practice for this worldwide consulting
firm. MANN+HUMMEL has created
a solution to address the CARB PZEV requirements for California and the other
Green States (MA, ME, NY and VT). The secondary air charger
starts directly at engine start-up, with the onset of manifold vacuum and has
a higher level of startup performance than air pumps.

supercritical metaphor

vapour refining

consulting division of ENVIRON
Holdings, Inc. "Their combined expertise and experience in the development and
commercialization of environmentally sound energy and energy conversion
technologies enables us to expand ENVIRON's service offerings into this
increasingly important arena for our industrial clients, who continually
strive to increase efficiency while safeguarding human health and the
environment," says Powell. ENGlobal's multi-disciplinary engineering services
group develops projects from the initial planning stage through
detailed design, procurement, and construction management.com

Safe Harbor for Forward-Looking Statements

Certain matters discussed in this press release may constitute
forward-looking statements within the meaning of the federal
securities laws and are subject to risks and uncertainties including,
but not limited to, the Company's ability to achieve its business
strategy while effectively managing costs and expenses . 31, 2003, Form 10-Q's for the quarters ended Sept. 31, 2003. The
module is recyclable and the element completely incinerateable at the end of
its service life.

ions separations

Powell, President of
ENVIRON International Corporation, the U.
(Click here for details)
Charles Benson brings to ENVIRON a broad background in the development and
application of advanced energy technologies, specializing in controlling
air pollutants, increasing efficiency, improving productivity, and
utilizing alternative fuels.

Roberto Pellizzari has many years of experience in the area of fluid
dynamics, heat transfer, combustion and thermodynamics, focused on the
development of novel power generation, combustion, and heat transfer
systems that emphasize reducing emissions and increasing efficiency. Throughout the project, ENGlobal expects to provide support
services to help the refinery maintain a safe and consistent operating
environment."

About ENGlobal Corporation

ENGlobal Corporation provides engineering services and systems
principally to the petroleum refining, petrochemical, pipeline,
production , and process industries throughout the United States and
internationally.

ullmann refinery

Benson Loftus +amp; Pellizzari Join ENVIRON's Boston Office to Establish Energy +amp; Environmental Technology Practice

Our professionals address a wide variety of issues related to the
presence of chemicals in the environment; in food ingredients and
packaging; in drugs, medical devices, and consumer products; and in the
workplace; as well as business issues related to the development and use of
energy and environmental technologies . "We would like to
thank Frontier Refining for this opportunity and we look forward to
working together with them on this important project. The systems
group develops, manufactures, installs , and services control and
instrumentation systems utilized in various energy and process-related
industries, and provides services and products that support the
advanced automation and environmental technology fields.
In the U.

comlink ntrs

com
rpellizzari@environcorp. 30,
2004, June 30, 2004, and March 31, 2004, current Forms 8-K, and other
SEC filings.S.

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ENGlobal.
As an experienced, recognized pioneer in the development of air, oil and
fuel filtration systems, MANN+HUMMEL is continuing to provide automakers with
innovative, high-quality product solutions, like the Secondary Air Charger ,
Hydrocarbon traps and urea filter.

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