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YOUR EXPERT for Anti Idling Solutions- sponsored by Espar Heater Systems

John Dennehy

V.P. of Marketing and Communications
Espar Heater Systems
(800) 387-4800
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Mr. Dennehy has been V.P. of Marketing and Communications with Espar for 9 years. He has played an integral part in working with several levels of government agencies in both the U.S. and Canada to bring awareness to the challenges of idling, anti-idling technologies and the reduction of green house gases. Mr. Dennehy will entertain questions on anti-idling technologies, state regulations and state/province initiatives regarding rebates/incentives and also idling laws and fines within each state.

Archive for January, 2006

Question 57
Wednesday, January 25th, 2006 @ 12:00 am


Q.		how do the experts determine that we are burning approx 1 gal fuel p/hr? my own studies show that yes with the old mechanical fuel pumps we burned 1- 1/4 gal. p/hr, but with computerized injection systems, my calculations show only 3/10-4/10 gal per hr. burned at idle. these numbers are directly from cummins engine […]


A.		I am inclined to post your email with your findings, interesting statistics. However I believe that you are idling that engine at dead idle which is probably around 400 rpm, the engines being manufactured today are extremely efficient and there is no waste/supplemental heat being produced. If you were to try and get heat to the cab for from the coolant, you would probably find that you would not be able to stay comfortable, hence having to boost the rpm up to 900-1000 rpm and that is where you would run into the gal/per hour.

Question 58
Monday, January 16th, 2006 @ 12:00 am


Q.		Why is diesel higher than regular gas? Why did Diesel used to be much cheaper than regular gas?


A.		Diesel did in fact used to be cheaper, but that was before diesel began to emerge as the more efficient fuel. The bottom line is, as diesel becomes the fuel of choice in various parts of the world, supply tightens. As that happens, prices rise. And since we’re inextricably linked to world petroleum markets, our prices rise too. It’s gonna get worse long before it gets any better.