Case in point, the “Refuel” propane tank monitor from Wink. Though there’s also logos for Quirky and GE on the package as well, and even a picture of the guy who came up with the idea.

You don't want your grilling session to be cut short due to a lack of fuel. Luckily, it's easy to check propane levels with a ...

(For reference, standard propane tanks hold 20 pounds of fuel.) Even more convenient is to seek out a vendor that uses smart ...

For example, some propane companies in Albany monitor your propane usage ... Typically, refilling your own propane tank is more cost-effective than having propane delivered.