GRA
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Re: Biofuels thread

Sun Jan 12, 2020 3:44 pm

No idea. It's not an issue at Bay Area A/P like SFO, where below freezing temps might occur once a year. [Edit] See https://en.wikipedia.org/wiki/Deicing_fluid at the bottom under "Environmental impacts", where one corn-based fluid is described.
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The 'best' is the enemy of 'good enough'. Copper shot, not Silver bullets.

Oilpan4
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Re: Biofuels thread

Mon Jan 13, 2020 7:35 am

Using it has almost 0 environmental impact, bacteria love to eat ethylene and propylene glycol once it gets into the environment.
It's the drilling, fracking, petrochemicaling that makes it.
Then corn. Corn is completely dependent upon the petrochemical industry. Ammonia fertilizer, pesticides, diesel fuel to power the machinery that plants, electricity it waters it, more diesel powered machines spray it, harvests it, transports it.
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GRA
Posts: 11497
Joined: Mon Sep 19, 2011 1:49 pm
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Re: Biofuels thread

Mon Jan 13, 2020 1:06 pm

Oilpan4 wrote:
Mon Jan 13, 2020 7:35 am
Using it has almost 0 environmental impact, bacteria love to eat ethylene and propylene glycol once it gets into the environment.
It's the drilling, fracking, petrochemicaling that makes it.
Then corn. Corn is completely dependent upon the petrochemical industry. Ammonia fertilizer, pesticides, diesel fuel to power the machinery that plants, electricity it waters it, more diesel powered machines spray it, harvests it, transports it.

Which is of course why sustainable agricultural practices are necessary for any bio-fuel to be sustainable. It's true that replacing fossil fuels for fertilizer and pesticide production (along with cement and iron) will be difficult and very expensive, so we need to put a lot more effort into it than we are currently, but diesel fuel is something that can be replaced now.
Guy [I have lots of experience designing/selling off-grid AE systems, some using EVs but don't own one. Local trips are by foot, bike and/or rapid transit].

The 'best' is the enemy of 'good enough'. Copper shot, not Silver bullets.

GRA
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Re: Biofuels thread

Wed Feb 05, 2020 7:48 pm

GCC:
UPS enters into RNG supply agreements with Kinetrex and TruStar; up to 80M gallon equivalents
https://www.greencarcongress.com/2020/0 ... 5-ups.html


UPS has entered into multi-year renewable natural gas (RNG) agreements with Kinetrex Energy and TruStar Energy. Together, these two contracts will supply UPS with up to 80 million gallon equivalents (GEs) of RNG over the terms of the agreements.

  • The use of RNG is a very important part of UPS’ strategy to increase alternative fuel consumption to be 40% of total ground fuel purchases by 2025. We are using both liquid natural gas (LNG) and compressed natural gas (CNG) as bridging fuels to increase our use of RNG. This will have a measurable impact as RNG yields up to a 90% reduction in lifecycle greenhouse gas emissions when compared to conventional diesel. Using RNG is what will ultimately help UPS meet its 2025 sustainability goals.

    —Mike Whitlatch, vice president of global energy and procurement, UPS
The Kinetrex Energy contract will supply UPS with up to 52.5 million GEs of RNG over the life of the contract to be used in its tractor-trailer vehicles throughout the Midwest. The RNG will be used to fuel UPS’s LNG-powered trucks in Chicago, Columbus, Indianapolis, St. Louis and Toledo.

Kinetrex will obtain the RNG from its Indy High BTU plant, a landfill facility on the south side of Indianapolis developed with EDL Energy and the South Side Landfill. The plant is currently under construction. When completed in March 2020, it will convert landfill methane to pipeline-quality natural gas.

The agreement also allows Kinetrex to supply UPS an additional 50 million gallons over the same period as Kinetrex develops additional RNG plants.

The TruStar Energy contract will supply UPS with up to 27.5 million GEs of RNG over the life of the contract to be used in California. The RNG will be used to fuel UPS’ CNG-powered trucks in both Visalia and Moreno Valley, Calif.

These two new agreements build on a prior RNG contract in which UPS agreed to purchase 170 million gallons of RNG, its biggest commitment to date. Over the next seven years, UPS has agreed to purchase 250 million gallon equivalents of RNG total, making the company the largest consumer of RNG in the transportation industry.

Additionally, UPS recently announced plans to purchase more than 6,000 natural gas-powered trucks through 2022. . . .
Guy [I have lots of experience designing/selling off-grid AE systems, some using EVs but don't own one. Local trips are by foot, bike and/or rapid transit].

The 'best' is the enemy of 'good enough'. Copper shot, not Silver bullets.

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