My brother's second job was a commercial property we have done for years. With the managers blessing he backs into the grass to access one side, no big deal we've done it for years. Well he apparently crushed an underground propane line at the valve for a 500 gallon in ground propane tank directly under the motor of the van. BOOM! Mad unabated propane envelopes the van, he shuts off the van and runs! 3 hours later, 2 cop cars, 6 fire trucks and only a $250 tow truck bill to safely move the van away, he does the job and books 3 carpet cleanings with the response personnel. That silver tongued devil, has the gift of gab.