Cummins Westport Announces Award for over 900 Natural Gas Buses Powered by ISL G

Cummins Westport Announces Award for over 900 Natural Gas Buses Powered by ISL

PR Newswire

VANCOUVER, Feb. 5, 2013

~New Transit Fleet Order from LA and San Diego Largest Ever in North America~

VANCOUVER, Feb. 5, 2013 /PRNewswire/ - Cummins Westport Inc. (CWI), a  leading 
provider of high-performance, alternative fuel engines for the North  American 
on-highway market, is  supplying engines for  two of the  largest natural  gas 
transit fleet orders in North America to date.

In January,  LA Metro  announced its  plans to  order 550  New Flyer  Xcelsior 
natural gas buses, powered with the Cummins Westport ISL G 8.9 litre engine to
be deployed in 2014  and 2015, with  an option to  purchase an additional  350 
buses in 2016 for both its own fleet and contract operators. LA Metro has  one 
of the largest transit fleets in North America.

"We have had  a good working  relationship with Cummins  Westport," said  John 
Drayton, Manager for  Vehicle Technology for  LA Metro. "There  are more  than 
1,500 natural gas  buses in  our fleet  running on  CWI engines.  LA Metro  is 
dedicated to being 100  percent natural gas,  and CWI is  a valued partner  in 

In December 2012, the San Diego Metropolitan Transit System (SDMTS)  announced 
the decision to purchase up to 350 Gillig 40-foot low floor buses and 118  New 
Flyer 60-foot low  floor articulated  buses, all powered  with the  CWI ISL  G 
8.9L. SDMTS will receive 47 articulated buses and 50 forty-foot buses in 2013,
with another  50 per  year being  delivered to  replace buses  in the  current 
compressed natural gas (CNG) fueled fleet over the following four years.

"San Diego's transit system has been on the path of natural gas transportation
for a long time, and our fleet  is composed of 80 percent CNG vehicles,"  said 
Julio Ortiz, Director of Maintenance with  SDMTS. "We have always been a  good 
customer of CWI."

Currently, there are more than 7,000  buses in municipal service across  North 
America fueled by natural gas.

"Substantial orders such  as these  from LA Metro  and San  Diego are  ongoing 
evidence of the growing acceptance of natural gas in the transit market," said
Jim Arthurs, President, Cummins Westport.

About the Cummins Westport ISL G

The Cummins Westport  ISL G,  an 8.9 litre  stoichiometric cooled-exhaust  gas 
recirculation (EGR)  engine,  is  certified to  2010  EPA  emissions,  reduces 
greenhouse gas emissions, and offers top-level performance and efficiency. The
ISL G engine is a purpose built natural gas engine manufactured in the Cummins
Engine Plant in Rocky Mount, NC that operates on either compressed natural gas
(CNG) or liquefied natural  gas (LNG), both of  which are cost effective,  low 
carbon, and low emissions fuels. With ratings up to 320 hp and 1,000 lb-ft  of 
torque,  the  ISL  G  features  maintenance  free  three  way  catalyst  (TWC) 
aftertreatment, and does not require the use of selective catalytic  reduction 
(SCR) or a diesel particulate filter  (DPF) More information about the ISL  G 
can be found at:

About Cummins Westport Inc.

Cummins  Westport  Inc.  sells  the  world's  widest  range  of  low-emissions 
alternative fuel engines  for commercial transportation  applications such  as 
trucks and  buses. CWI  is a  joint  venture of  Cummins Inc.  (NYSE:CMI),  a 
corporation  of  complementary  business   units  that  design,   manufacture, 
distribute and  service  engines  and  related  technologies,  including  fuel 
systems, controls, air handling, filtration, emission solutions and electrical
power  generation  systems,  and  Westport  Innovations  Inc.  (NASDAQ:WPRT  / 
TSX:WPT), a leading developer of technologies that allow engines to operate on
clean-burning fuels  such  as  natural gas,  hydrogen,  and  hydrogen-enriched 
natural gas (HCNG).

Note:  This  document  contains   forward-looking  statements  about   Cummins 
Westport's business, operations, technology development or to the  environment 
in which  it  operates,  which  are based  on  Cummins  Westport's  estimates, 
forecasts and projections.  These statements  include specifically  statements 
regarding the  timing  for  delivery  of the  referenced  buses  and  are  not 
guarantees of  future performance  and  involve known  and unknown  risks  and 
uncertainties that are difficult to predict, or are beyond Cummins  Westport's 
control and  may cause  actual  results, levels  of activity,  performance  or 
achievements to be  materially different  from any future  results, levels  of 
activities, performance  or  achievements expressed  in  or implied  by  these 
forward looking statements. These risks  include risks relating to the  timing 
and  availability  of  Cummins  Westport  products,  and  other  risk  factors 
discussed in Westport Innovations Inc. most recent Annual Information Form and
other filings  with securities  regulators. Consequently,  readers should  not 
place any  undue reliance  on such  forward-looking statements.  In  addition, 
these forward-looking statements relate  to the date on  which they are  made. 
Cummins Westport disclaims any intention or obligation to update or revise any
forward-looking statements, whether  as a  result of  new information,  future 
events or otherwise.  The contents of  any website referenced  in this  press 
release are not incorporated by reference herein.

SOURCE Cummins Westport Inc.



Cummins Westport Inc. / Westport Innovations Inc.
Darren Seed
VP, Investor Relations & Communications
Phone: 604-718-2046

Media Inquiries:
Nicole Adams
Director, Communications
Westport Innovations Inc.
Phone: 604-718-2011

Cummins Inc.
Jon Mills
External Communications
Phone: 317-658-4540
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