Hi Thomas,
                       You may have missed this item posted recently. It concerned a New Zealand company formed to make, promote and sell bio-diesel. They solved the problem of manufacturer's warranty by confining their engine alterations to the fuel lines only. Might be worth contacting them for further information.
Regards,
Bob.
 
Here it is:
 
PUT AN OLIVE IN YOUR TANK
 
Well not quite, but if David Renwick has his way it could be olive oil or even used cooking oil for that matter - once it has been refined into biodiesel. His conversion kit, which allows diesel engines to run on biodiesel offers considerably lower fuel costs and higher efficiency.
He demonstrated both in Kerikeri this week with a late model SUV, modified to run on either standard diesel or biofuels, or a mix of the two. To illustrate his vehicle's versatility he urged his audience to pour a range of standard cookng oils into the tank while the engine was running. A test drive showed good acceleration, no smoke from the exhaust and an absence of diesel smell. Instead a slight fragrance of Mom's kitchen.  .
Renwick, Operations Director of Envirocar - a company he grew from a garage-based idea four years ago into a national organisation, is an enthusiastic exponent of the new wave of environmentally friendly fuels. He claims his fuel gives cleaner burning engines, lower emissions, efficiencies of 15% or more and costs half that of standard diesel.
Asked the hard questions as to cost, availability, payback time and risk to vehicle warranty Renwick was open and frank. Biofuel supplied by his organisation currently costs 69 cents a litre (against the present Kerikeri price of diesel at $1.26), the conversation kit (fitted by a trained technician) comes in at $4,000 and includes a 1,000 litre storage tank for your backyard.
 Payback time depended on mileage i.e. the further you travelled on an annual basis the faster you could amortise the cost of conversation. For one large diesel fleet in Wellington it was four months. Any diesel engine, even those used on farm machinery, could be converted to biofuel.
By agreement with car makers the fuel was acceptable. Conversion was limited to the fuel lines only and did not affect engine warranties. As a backup, Envirocar-converted vehicles retained a separate tank for ordinary diesel.
Envirocar is supported by Korean car maker SSangYong and the Foundation for Research, Science and Technology which this year pumped in $93,000 to take the operation from backyard to production line. 
Interested biofuellers can contact Mr Renwick at [EMAIL PROTECTED]
 
----- Original Message -----
To: biofuel
Sent: Saturday, July 22, 2006 11:53 PM
Subject: [Biofuel] Biodiesel and the Petroleum Industry

     I attended a public forum on Biofuels a while back. One of the speakers, the head of a biodiesel co-op, had me perplexed by his repeated assertion that biodiesel can be used in 2, 5%, " even 10% or 20% blends", but above these levels engine problems and gelling can occur. He had graphs showing the benefit of using biodiesel to improve exhaust emissions, but pointed out that above a 10% blend improvement tapers off .... "better to have 10 people driving with B10 than 1 person driving with B100."
     I questioned his assertions regarding gelling of fuel and pointed out that I drop from BD100 to BD70 in winter months w/o gelling. I explained the cleansing effect of BD and how this may clog fuel filters during initial use, but mentioned that this will also happen w  blends as low as 5%. Actual engine damage is more a function of fuel quality than the nature of the fuel itself ...  even homebrewers can make quality fuel  ....  shouldn't commercial producers be expected to do the same? I conceded that at BD10 there is a 10% reduction in hydrocarbon emissions and that at BD100 there is "only a 70% reduction", but suggested that I'd like to see all 10 drivers using BD100 to achieve the 70% reduction.
 
   There were 60 - 70 people at the forum; some from local newspapers, others from Community Action Groups, most were just curious about biofuels. Their enthusiasm was palpable, their questions polite. Before responding to a question, the speaker asked each person their name, and then spoke as if he was having a friendly, heart-to-heart conversation. To my questions he simply shrugged his shoulders and moved on.
 
     I contacted the friend who told me about the forum. He emailed me the actual invitation he had received.
Re: the Biodiesel guy:
   "  .....Jerry -------  has over 20 years of domain expertise in the petroleum distribution and marketing and is presently a member of a biodiesel business development team at a major independent energy supplier. ....... Jerry does consulting in building biodiesel refineries and advocacy work in promoting alternative and sustainable fuels.

Jerry brings over 25 years of experience in the petroleum industry in technology in the distribution, logistics and terminal operations areas. Jerry has been personally involved in the alternative energy arena for the past 15
years, operating his personal car on biodiesel more than 10 years ago and presently driving a van powered by CNG (compressed natural gas) as well as a car on home made biodiesel."
 
     He was clearly advocating 2%, 5% blends. Why? Is it simply because the auto manufacturers will void warrantees at higher blends? If so, why not just say so.
     Somehow I know I should be following the money. It must involve dollars and cents.
     Any ideas?
 
     Thanks , I've been mulling this over for weeks.
                                                   Tom
      


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