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10/25/2007 ~ Keys Energy Services’ (KEYS) fleet of 33 diesel vehicles are now running on bio-diesel*.

The Utility Board recently approved the purchase and use of a 5-percent bio-diesel blend in KEYS’ fleet of 33 diesel vehicles for an estimated annual cost of $97,456.00 or $2.44 per gallon at approximately 40,000 gallons per year.

The 5-percent bio-diesel blend will reduce sulfur emissions from 500 parts-per-million** (ppm) to 14.25 ppm and green house gases emitted from diesel vehicles by 5-percent. The 5-percent bio-diesel blend will also save KEYS approximately $7,200 a year in fuel costs.

“While bio-diesel is still a relatively new fuel source, KEYS’ staff feels confident that the 5-percent blend 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 increases, so too could the bio-diesel blends that we use in our fleets.”

While various blends of bio-diesel are available in the market, KEYS staff learned that manufacturer’s warranties on vehicles made in or before 2006 would become void if bio-diesel was utilized at a volume greater than 5-percent.

* 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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