Southern Wisconsin Co-Op, in Monroe, Wisconsin, is the area's leading propane company serving Green, Dane and Lafayette counties since 1963. We offer gas, propane, diesel, a laundromat, car wash, hot food and much more.

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  • Comes with a more complete, terminally injected additive package.
  • Decreases downtime by helping to reduce maintenance and repairs.
  • Restores power by up to 4.5%
  • Restores fuel economy by up to 5%

Gas, food, car wash and more...

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