Video Shows How to Make a McDonald's Big Mac at Home: Want to Try It?

Proplylene glycol (food anti-freeze) has just one more carbon atom that ethylene glycol {Prestone II) toxic to pets not to mention YOU. Here are some uses:

As an ingredient in the oil dispersant Corexit, used in great quantities during the Deepwater Horizon oil spill
To deice aircraft wings and empennage
As a solvent in many pharmaceuticals, including oral, injectable and topical formulations (notably, diazepam, which is insoluble in water, uses propylene glycol as its solvent in its clinical, injectable form
As a humectant food additive, labeled as E number E1520
As an emulsification agent in Angostura and orange bitters
As a moisturizer in medicines, cosmetics, food, toothpaste, shampoo, mouth wash, hair care and tobacco products
As a carrier in fragrance oil
To produce polyester compounds
As a base in deicing solution
As an ingredient in massage oils
In hand sanitizers, antibacterial lotions, and saline solutions
In smoke machines to make artificial smoke for use in firefighters' training and theatrical productions
In electronic cigarettes, as a vaporizable base for diluting the nicotine liquid
As a solvent for food colors and flavorings
As an ingredient, along with wax and gelatin, in the production of paintballs
As a moisture stabilizer (humectant) for snus (Swedish style snuff)
As a cooling agent for beer and wine glycol jacketed fermentation tanks
As a nontoxic antifreeze for winterizing drinking water systems (for example recreational vehicles), and in applications where the used antifreeze eventually will be drained into the soil, water, or a septic system
As a less-toxic antifreeze in solar water heating systems
As a solvent used in mixing photographic chemicals, such as film developers
In cryonics
As a working fluid in hydraulic presses
As a coolant in liquid cooling systems
To regulate humidity in a cigar humidor
As the killing and preserving agent in pitfall traps, usually used to capture ground beetles
As an additive to pipe tobacco to prevent dehydration
To treat livestock ketosis
As the main ingredient in deodorant sticks
As an ingredient in UV or blacklight tattoo ink
As a lubricant in air conditioning compressors
As a wetting agent, used to determine drying time in paints and coatings
Used in the beverage mixer Sweet N Sour.