A Portable Gas Grill, or propane grill, or burner, is a portable griller that uses propane gas for fresh and quick cook outdoors. Compared to charcoal grills, propane grills are easy to operate and handy to control temperature (just twist the knobs!). If you look on Amazon, most gas grills look alike but their prices vary crazily. How to choose a suitable one? Some homework and a second thought are definitely necessary. This in-depth review of portable gas grills will save your time to sort it out.