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01/27/2010 ~ Keys Energy Services’ (KEYS) fleet of 33 diesel vehicles are now running on a 20-percent bio-diesel* blend after having successfully operated with a 5-percent blend since October 2007.

The 20-percent bio-diesel blend will reduce KEYS’ sulfur emissions from 14.25 parts-per-million** (ppm) to 7.8 ppm and green house gases emitted from diesel vehicles by 20-percent. When KEYS’ diesel fleet of vehicles was converted to a 5-percent bio-diesel blend in 2007, sulfur emissions were reduced from 500 ppm to 14.25 ppm. The change to the 20-percent bio-diesel blend will save KEYS approximately $4,250.00 a year in fuel costs and KEYS’ overall carbon-dioxide foot print reduction will increase from -25,102 to -100,472.42-pounds per year.

“While bio-diesel is still a relatively new fuel source, KEYS’ staff feels confident it will further our green initiatives and not adversely affect the performance of KEYS’ fleet of diesel vehicles,” said Lynne Tejeda, KEYS General Manager & CEO. See added that, “as our confidence with bio-diesel has increased, so too has the blend we use in our fleets.”

The Utility Board originally approved the use of a bio-diesel blend in KEYS’ fleet in October 2007.

* Bio-diesel - Refers to a diesel-equivalent processed fuel, derived from biological sources (i.e.: soybean oil) which can be used in un-modified diesel-engine vehicles.

** Parts-Per-Million – A term used to explain very dilute concentrations of substances. Just as percent means out of a hundred, parts-per-million or ppm means out of a million.

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