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Plastic Gas Tanks and Snowmobiles

Or, how I spent my winter vacation.

 by Karen M. Koenig

I heard a rumor a few weeks ago that I’m hoping to have verified regarding plastic gas tanks.

It seems some mechanics believe that the plastic gas tanks in snowmobiles allow the additives/chemicals/octane to leech out if the gas is left in the tank for more than a couple of months. This reportedly will not occur with metal tanks.

As a snowmobile owner for many years, this was news to me. I’m wondering if any plastics experts have ever heard this or can verify the claim.

And speaking of snowmobiles...

For anyone interested, I would like to share some thoughts on one of the best winter vacations I ever spent, snowmobiling in Yellowstone National Park.

Never having been to Yellowstone, I was amazed at its sheer immensity and the beauty found there. While putting on almost 350 miles in the two days we spent snowmobiling in the park, we saw everything from Old Faithful spouting, to bison and elk co-mingling in a field, large coyotes walking near the trails and a bald eagle waiting to swoop from a tree. Perhaps the biggest thrill for my kids, Brett and Kyle, was passing alongside two bisons which were walking on the road/trail.

Save the date

PM&F and the International Association of Plastics Distributors will co-sponsor the Third Plastics Machining & Fabricating Conference on June 28-29 in Chicago, with an early-bird reception the evening of June 27.

The seminar portion of the conference will focus on secondary plastics processing, with an emphasis on fabrication tips and techniques.
Topics will include:
• Introduction to mechanical and clear plastics
• Developments in milling machines and lathes
• Routing and trimming techniques
• Software for the shop floor
• FAQs on cutting tools
• Bonding and welding applications
• Forming requirements, including tooling needs

For details on the seminar program, contact me at (847) 634-4366 or E-mail If you are interested in exhibiting at this event, contact the IAPD at (913) 345-1005, E-mail

We hope to see you there.

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Plastics Machining & Fabricating
P: (847) 634-4347
F: (847) 634-4379
P.O. BOX 1400