In this video I show how to make a super simple propane bottle launcher, especially good for demonstrations of the basic physics of rocketry. I've used this launcher myself for kid's science lessons ...

The direct-injection fuel system is one of several propane-powered technologies PERC is showcasing at this year’s ACT Expo.

U.S. propane exports have hit new highs in recent years. Now, according to the U.S. Energy Information Administration, butane is following suit.

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