They parked their truck the end of the alley and worked their way to the other end.
At the last house, a woman looking out her kitchen window watched the two men as they checked her gas meter.
Finishing the meter check, the senior supervisor challenged his younger coworker to a foot race down the alley back to the truck to prove that an older guy could outrun a younger one.
As they came running up to the truck, they realized the lady from that last house was huffing and puffing right behind them. They stopped and asked her what was wrong.
Gasping for breath, she replied, "When I see two men from the gas company running as hard as you two were, I figured I'd better run too!"