Hotshot's Secret's EDT+ Winter Defense keeps trucks moving in the cold

Updated Feb 24, 2026
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Screenshot 2025 11 10 At 9 39 19 AmTime to face facts many in the trucking industry wish were not true: winter's here.

And, yes, with it comes foul weather, closed highways, tougher travel, and the possibility of engine troubles.

While Hotshot's Secret can't do much about interstates closed by blizzards, it's EDT+ Winter Defense diesel fuel additive can be essential to keeping your truck's engine performing properly.

Winter Defense is Hotshot's Secret's everyday diesel treatment with anti-gel properties. This seven-in-one diesel treatment prevents diesel fuel from gelling and icing.

It keeps your engine winter-ready with a powerful cetane booster, and an LX4 lubricity additive. Winter Defense also contains a detergent package to keep your engine clean and deicer chemicals.

Combined, those features:

  • Reduce fuel line freeze-ups down to -40°F
  • Prevents wear without altering fuel viscosity
  • Increases fuel economy
  • Prevents corrosion and bactyeria growth
  • Boosts power and increases cetane
  • Prevents paraffin wax precipitation

EDT+ Winter Defense is available at travel centers, truck stops, and online in a variety of sizes, from six ounces to five gallons.