Grill jockeys who use gas are familiar with the 20-pound propane tanks that fuel their fires. But the tanks they buy may be only three-fourths full, depending on where they're purchased.

The subject steel propane cylinders are portable and range from 2.5 pounds capacity (approximate 28-32 tare weight) to 40 pounds capacity (approximate 28-32 pound tare weight).

Propane has a S.G. of 1.554, making it about 50 percent heavier than air, which is why we always store propane outside and never in basements or anywhere escaped propane can build up.

(WHTM) — Thousands of propane exchange tanks have been recalled by Worthington Enterprises, the U.S. Consumer Product Safety Commission announced Thursday. According to the commission, the re… ...

The average weight of a fully loaded propane tanker is between 10-15 tons, so at least double the bridge’s limit. CBS Philadelphia / Google Maps It also seems like a mistake other truck drivers ...