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Fuel price opinion/rant thread


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56 minutes ago, Subru said:

Methane* :)

Methane=gas

Methanol=liquid 

Same same tho

 

Err... not really though is it. 

Same same would be heating frozen H2O to make liquid H2O

There’s still a rather complex chemical process to turn methane (CH4) into methanol (CH3OH) 

Plus since methane isn’t an alcohol it doesn’t have the hugely beneficial cooling factor which is the main reason, besides eco-ness, we actually want it

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1 hour ago, Subru said:

Methane* :)

Methane=gas

Methanol=liquid 

Same same tho

Sounds like you need to do some reading on organic chemistry and functional groups.

 

If your interested... (this is from memory from a while ago so might be off on a couple bits)

Methane is an alkane, the 'meth' means it has a single carbon element (eth=2, prop=3, but=4 and so on) the suffix of '-ane' is what tells you that all of the carbon atoms are saturated with hydrogen. The '-ol' suffix is what tells you it is an alcohol, the carbon is still fully saturated but one of the hydrogen elements is replaced with the OH functional group. As @Andy_Mac said this isn't just a gas-liquid state change there is a chemical reaction involved.

An alkane has very different properties to an alcohol.

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On 25/05/2018 at 8:33 AM, 1randomkiwi said:

Managed to go to Mobil Smales Rd and grab 55L of 98 for $115 after Smiles fuel discount. $2.129/L at the pump and $2.069/L after Smiles discount

 

Gotta love that station, always one of the cheapest.

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6 hours ago, Batbaruman said:

since i got rekd in the great scientific debate of cow poops, i shall leave this here.

feat my bus driver aka superman

 

I stayed out of that one once the real science nerds got involved... all I know is that methane smells really bad and methanol doesn't.

The price has really shot up... I put some 98 in my rex today and regretted checking the price per litre... I will leave my head firmly

in the sand next time.

 

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39 minutes ago, Shibe said:

2.17 a litre here in Invercargill. What's going on with the rest of the country? Move 200k to Central Otago and it's 2.44? What on earth..

Really, will have to check prices here in Christchurch as last time Iooked it was still $2.27!

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