Rumpke Fuels Fleet With Garbage

CINCINNATI – Aug. 12, 2011 – Rumpke trucks fueled by cleaner, compressed natural gas
(CNG) hit the streets of Fairfield, Hamilton, Blue Ash and Springdale, OH about 2 weeks ago, as
part of a $3.1 million Clean Fuels Ohio project to pilot 10 CNG garbage trucks.

Rumpke of Ohio invested $2.3 million and partnered with Clean Fuels Ohio to obtain an
$800,000 grant to complete the project which included 10 compressed natural gas (CNG) refuse
collection trucks, and construction of a slow-fill, compressed natural gas fueling station and 16
fueling stands. The switch to these trucks not only offers another use for landfill gas, but also
offers a 21-26 percent reduction in green house gases.

Using one of the world’s largest landfill gas energy recovery systems, Rumpke removes
methane from Rumpke Sanitary Landfill and converts it into natural gas for up to 25,000 homes.
Although, the gas is not directly piped to Rumpke’s new CNG filling station, the station is one
of the first hits on Duke Energy Corp.’s lines running from the landfill gas recovery system,
making it possible for garbage trucks to run on the tri-state's garbage. In the future the gas lines
will travel directly from the landfill gas recovery plants to the filling stations.

Throughout the pilot, Rumpke will monitor fuel economy, reliability, dealer support and driver
and mechanic feedback to determine if this system offers a useable and efficient fuel alternative.
In time, Rumpke will consider additional routes as opportunities become available.

According to Natural Gas Vehicles for America there are about 1,000 natural gas vehicle (NGV)
fueling stations in the United States and about half of them are open to the public. In the United
States, about 30 different manufacturers produce 100 models of light, medium and heavy-duty
vehicles and engines.

Rumpke Consolidated Companies, Inc. has been committed to keeping neighborhoods and
businesses clean and green since 1932 by providing environmentally friendly waste disposal
solutions. Headquartered in Colerain Township, Ohio, just outside of Cincinnati, Rumpke is
one of the nation’s largest privately owned residential and commercial waste and recycling
firms, providing service to areas of Ohio, Kentucky, Indiana and West Virginia. Rumpke
divisions include Rumpke Recycling, Rumpke Portable Restrooms, The William-Thomas
Group, Rumpke Hydraulics, Rumpke Haul-it-Away and Rumpke Park.


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