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Old 04-01-2009
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Ethanol in Petrol

My local Gull service station where I usually go to get fuel has gotten rid of its 95 octane and replaced it with 98. Great! hardly anyone sells 98 octane petrol in New Zealand and its generally only available in larger cities. But the new brew is made with "Up to 10% bio Ethanol"
I'm a bit scared to use it as I don't know what ethanol will do to the fuel system in my old 93 155V6.
Anyone out there using fuel with ethanol in it?
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Old 04-01-2009
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Re: Ethanol in Petrol

In most of the rest of the world the Governments seem to think that Ethanol is a "green" alternative. Shame most of it comes from Brazil and the rest produces more CO2 in manufacture than Hydrocarbons
However to reassure you up to 10% Ethanol in Petrol has not been found to cause any harm to any engine able to run unleaded. There have been many scares regarding Ethanol in Petrol in the UK but these have all been traced to other causes. Good luck with your swap to 98 , it is however unlikely to make much difference unless you have a turbo/Supercharger and can re-map to take advantage.
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Old 04-01-2009
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Re: Ethanol in Petrol

Hi

Think it should be OK. In theory ethanol has a slightly less energy content so you need a slightly richer mixture, but the lambda probe should bw able to compensate for that.

All the best

Keith
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Old 04-01-2009
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Re: Ethanol in Petrol

Scam created by us.gov to subsidise their farmers.
Pointless. Ecologically suspect. (IMHO)
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Old 04-01-2009
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Re: Ethanol in Petrol

Alfa in Australia will not recommend E10 in Alfa Romeos made after 1998....
Alfa Romeo Australia - Fuel & Ethanol Information

Personally I would say No to Ethanol ...when it is going into an Alfa Romeos tank.

Actually if you continue to read the fine print in the above link you will find that Ethanol and pre 1998 Alfa Romeos are a no go............
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Old 05-01-2009
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Re: Ethanol in Petrol

Thanks. Might stick with 95 and go to Shell instead. I can still get discount fuel from there too.
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Old 05-01-2009
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Re: Ethanol in Petrol

The ethanol used in fuel in NZ is claimed to be sourced from sugar produced as a by product from the dairy industry.

There are potential incompatibilities between ethanol and some fuel lines and seals. Although there are many long term users of E85 (85% ethanol, 15% petrol) in Europe (particularly Scandinavia) who claim to have seen no ill effects at all. Guess it depends on the make of car.

Mike
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Old 05-01-2009
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Re: Ethanol in Petrol

Just shows you how stupid politicians can be when they want too look "green' at the gills....

Ethanol to 'eat into grain crop' | The Australian

THE new ethanol mandate for unleaded petrol in NSW will chew up 20 per cent of the state's grain crop, raising the prospect of food price hikes nationally and the possibility that grain may need to be imported.

Federal Resources Minister Martin Ferguson warned the Rees Government that Canberra would be watching closely the impact of the mandate on grain production.

NSW has lifted from 2 per cent to 10 per cent the mandated level of ethanol in unleaded petrol, with the mandate to be phased in over the next two years.

Mr Ferguson and agricultural groups have disputed a claim by NSW that the state's ethanol will be made mainly from flour starch wastes.

Industry analysts estimated that 20 per cent of the average grain crop produced in NSW between 2001 and 2007 would be needed to produce the 600million litres of ethanol required annually to meet the 10 per cent mandate.

About 10 per cent of grain production in Queensland would be required to meet a 5 per cent ethanol mandate planned by the Bligh Government by 2010, assuming that 40 per cent of ethanol production was grain-based, with the rest made from sugar cane.

Analysts said almost two million tonnes of grain a year would be needed to meet the biofuel mandates of the two states.

Australian Lot Feeders Association executive director Dougal Gordon said feed grain prices would rise by about 25 per cent nationally as a result of the mandates.

"The mandates create an artificial and inflexible demand for grains that will inevitably lead to higher prices," Mr Gordon said.

"In drought years, the mandates are likely to lead to substantial shortages of grain."

A paper published last month by the NSW Parliamentary Library Research Service estimated that if the 10 per cent ethanol mandate had been in place nationally during the 2001-02 drought, Australia would have had to import up to 5640 kilotonnes of wheat.

Biofuels analyst Geoff Ward said that during drought, the NSW and Queensland ethanol mandates would chew up as much as 40 per cent of the national grain crop.

"Grain prices will rise and we will be looking at bringing in grain from overseas," he said.

The Australian reported last week that the Rees Government had approved a $400 million expansion of an ethanol plant that had been proposed by the Manildra Group, the biggest donor to the NSW ALP.

Much of the ethanol needed to meet the NSW mandate will be produced at the plant.

Manildra owner Dick Honan said ethanol production would have no effect on grain prices or production.

"Queensland and NSW are awash with grain, with sorghum and feed barley prices at historic lows," Mr Honan said.

"Any suggestion that ethanol will drive up grain prices is ludicrous. Look at overseas, where grain commodity prices over the last six months have collapsed."

NSW Lands Minister Tony Kelly said the mandate would be sufficiently flexible to ensure that grain production was not affected during drought.

"The staged approach to introducing the mandate aims to avoid pitfalls such as crops being diverted to ethanol feedstock," Mr Kelly said.

"The Government can suspend the mandate or grant exemptions to particular wholesalers if it can be reasonably demonstrated that the mandate could lead to adverse impacts on account of situations such as drought, price shocks or lack of supply."
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Old 05-01-2009
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Re: Ethanol in Petrol

I've been using a 5% boi-ethanol mix with 95ron unleaded in my two twinnys for a year or more with no issues.
The petrol I'm using is Maxol 95 ron and when mixed with the 5% ethanol (and with the help of a rolling beed bed) it gives an overall ron rating of 99

Dont really notice much difference in performance or economy tbh, but it's caused no issues at all.
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Old 07-01-2009
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Re: Ethanol in Petrol

Originally Posted by mo4 View Post
I've been using a 5% boi-ethanol mix with 95ron unleaded in my two twinnys for a year or more with no issues.
The petrol I'm using is Maxol 95 ron and when mixed with the 5% ethanol (and with the help of a rolling beed bed) it gives an overall ron rating of 99

Dont really notice much difference in performance or economy tbh, but it's caused no issues at all.
E5 is OK just do not put E10 etc in your car.....
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