Company: DCP Consulting Ltd.You have expressed interest about what Diesel Booster does in my 2007 F-250 6.o l pick up. Recently I drove from Cranbrook B.C. to Calgary and about 70 km in the city – the fuel consumption on this driving calculated at 14.79 l per 100 km (19.1 mpg).
I would say this is excellent mileage when operating at the speed limit during this trip.
N. J. Thurber
DCP Consulting Ltd.
Company: General Cartage
"In follow up to our letter of June 14, 1995, I am updating you on the trial of our International single axle tractor with the 530 DT engine. Our test results with your Guardex Diesel Booster and Guardex-Energy Conserving Lubricants improved to just under 18%. ...... We are optimistic the results will lead to a conversion of our fleet." David Moore, President
Company: Janeen Carriers
"Western Star tractor with a 3406E 425 Caterpillar engine, was converted to your diesel conservation and hazardous waste engine oil reduction program. ... engine starts were easier and quieter. ....engine oil and rear end oil temperatures to be at least 20 degrees lower..." Vern Clark
Company: D & B Lumber & Supplies (Calgary) Ltd.
"....noticable increase in fuel mileage......also been a decrease in fuel related mainenance on our vehicles." Doug Rausch
Company: EastWest Express Inc.
"Better power, improved fuel pedal response less smoke and much easier starting. ..I am especially impressed with the Oberg Filter." John O'Hara
Company: Mac's Installations & Consulting International
"Canamara Diesel locomotive.... I will be pleased to recommend your products to other locomotive users." Ross McIntyre
Company: Wing Lee Shipping (Canada) Inc.
"We are pleased to announce that the use of GUARDEX ECL Diesel Boosters with Cetane has reduced our diesel fuel consumption used in the vessels of our company. The improvement of 10%, to my suprise has exceed the stated 7% guarantee fuel saving."
"The net saving (savings minus cost of Boosters) for our company a fiscal year is estimated at HK$1.3 million dollars." Peter Cheng
Company: Baker Trucking
"Guardex Lubes Inc., Diesel Booster with Cetane has improved our mileage from 6.8 miles per gallon to not less than 7.8 miles per gallon and as high as 8.3 miles per gallon." Jim Baker
Company: Total Staffing
"The fuel efficiency on the two Cummins has already improved by 8% and 10% and the Caterpillar by 12%. Coupled with our savings on filters and maintenance we can look forward to significant savings on our operating costs." Jim Galea
Company: Philip Environmental
"...you have shown us fuel savings ranging from 8% - 14%. .....we have extended our engine oil drain time from 15 - 16,000 km (our regular) to 44,300 km."
Keith Gould, Operations Manager Transport
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Testimonials 
