[ale] OT: gas going up this weekend

[Derek Atkins]

Tom Freeman <tfreeman at intel.digichem.net> writes:

> On Thu, 28 Apr 2011, Tim Watts wrote:
>
>> On Wed, 2011-04-27 at 23:50 -0400, Michael Potter wrote:
>>>>> On Wednesday, April 27, 2011 09:53:21 am Tim Watts wrote:
>>>>>
>>>>>> 3-5 cents/gallon I can deal with. And at least I know it's coming. It's
>>>>>
>>>>>> the random/inexplicable 25-45 cent/gallon hikes that grab me by the
>>>>>
>>>>>> shorts.
>>>
>>>
>>> $0.04/gal * 15 gal = $0.60.
>>
>> $1.75 = cup of coffee
>>
>> Isn't this tax hike the annual increase the occurs each year when
>> stations switch to the lower lead mixes that are less polluting during
>> the hotter months of the year? And then the tax goes down again when
>> they switch back in the fall, if I'm not mistaken. So $0.60 = chipping
>> in for cleaner air each time I fill. Not bad.
>
> Last I checked, there hasn't been a leaded fuel available for something 
> like twenty years. The summer fuel is formulated with more oxygen 
> containing compounds like ethers and alcohols. These result in lower 
> emissions which lead to the formation of photochemical smog.

FWIW, Aviation Fuel (100LL AvGas) does still have T-E-L in it.

-derek
-- 
       Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
       Member, MIT Student Information Processing Board  (SIPB)
       URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
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